396902804 has 24 divisors (see below), whose sum is σ = 702692928. Its totient is φ = 196142400.

The previous prime is 396902777. The next prime is 396902819. The reversal of 396902804 is 408209693.

It is a happy number.

It is a congruent 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, 256457 + ... + 257999.

It is an arithmetic number, because the mean of its divisors is an integer number (29278872).

Almost surely, 2^396902804 is an apocalyptic number.

It is an amenable number.

396902804 is a deficient number, since it is larger than the sum of its proper divisors (305790124).

396902804 is a wasteful number, since it uses less digits than its factorization.

396902804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 396902804 is about 19922.4196321632. The cubic root of 396902804 is about 734.8996756338.

The spelling of 396902804 in words is "three hundred ninety-six million, nine hundred two thousand, eight hundred four".