400965996 has 24 divisors (see below), whose sum is σ = 935924080. Its totient is φ = 133607232.

The previous prime is 400965973. The next prime is 400966021. The reversal of 400965996 is 699569004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48450 + ... + 56118.

Almost surely, 2^400965996 is an apocalyptic number.

It is an amenable number.

400965996 is an abundant number, since it is smaller than the sum of its proper divisors (534958084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400965996 is a wasteful number, since it uses less digits than its factorization.

400965996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12033 (or 12031 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 400965996 is about 20024.1353371375. The cubic root of 400965996 is about 737.3989495180.

The spelling of 400965996 in words is "four hundred million, nine hundred sixty-five thousand, nine hundred ninety-six".