396498972 has 12 divisors (see below), whose sum is σ = 925164296. Its totient is φ = 132166320.

The previous prime is 396498941. The next prime is 396498997. The reversal of 396498972 is 279894693.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×396498972² = 314422869594113568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16520779 + ... + 16520802.

Almost surely, 2^396498972 is an apocalyptic number.

It is an amenable number.

396498972 is an abundant number, since it is smaller than the sum of its proper divisors (528665324).

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

396498972 is a wasteful number, since it uses less digits than its factorization.

396498972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33041588 (or 33041586 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The square root of 396498972 is about 19912.2819385424. The cubic root of 396498972 is about 734.6503478284.

The spelling of 396498972 in words is "three hundred ninety-six million, four hundred ninety-eight thousand, nine hundred seventy-two".