Possibly — but the balance is the least informative part of the question. What determines the answer is your other income, what you actually spend, how you will manage taxes, and how you will cover health insurance for the three years before Medicare.
It is a fair question and an incomplete one. A million dollars supports one household comfortably and another not at all, and the difference has almost nothing to do with the million.
Here is what actually has to be worked through.
All income sources, not just the 401(k)
Social Security at 62 is reduced relative to full retirement age, and for many households delaying produces a larger inflation-adjusted lifetime benefit — plus a larger survivor benefit, which for a married couple is often the dominant consideration.
A pension changes the picture substantially, as does rental income, a spouse's continued earnings, or part-time work. Each dollar of predictable income is a dollar the portfolio does not have to produce, and the effect on the required balance is large.
What you actually spend
This is the number the entire analysis hinges on and the one most people estimate rather than know. Real spending includes the irregular items — the car, the roof, the trip, the help given to family — that never appear in a monthly average.
It also changes shape through retirement, typically higher in the early active years and shifting toward healthcare later. Modelling it as one flat figure for thirty years produces a misleading answer in both directions.
Managing the tax picture
With most of the money in a 401(k), nearly every withdrawal is ordinary income — which makes bracket management the central discipline. It also drives how much of any Social Security benefit becomes taxable.
The years between 62 and the start of required distributions are typically the lowest-bracket years available, which makes them the natural window for Roth conversions. Doing that work early reduces the balance that will eventually force taxable income whether you need it or not.
Health insurance from 62 to 65
This is usually the deciding constraint. For three years there is no Medicare, and the cost of marketplace coverage is driven by the income you report — not by your assets.
That gives you a real lever: funding those years partly from cash or from a taxable account with modest gains keeps reported income lower and premium credits larger. It also conflicts directly with the conversion opportunity described above, and which one wins depends on the size of the tax-deferred balance and how large the credit would be.
Structuring the portfolio for a long horizon
Retiring at 62 could mean a thirty-year retirement, which means the portfolio still needs growth — a purely conservative allocation creates its own risk over that horizon.
The reconciliation is separating the jobs. Near-term spending sits in stable, short-duration assets so that a decline is funded from the reserve; the rest stays invested for a horizon that is genuinely long. That structure is what makes it easier to hold growth assets through a bad year.
So: can you? Sometimes yes, comfortably. Sometimes yes, with a spending adjustment or a couple more working years. The only way to know is to run your actual spending against your actual income sources with the health insurance and tax pieces modelled properly — which is a very different exercise from comparing your balance to a headline.