396605904 has 20 divisors (see below), whose sum is σ = 1024565376. Its totient is φ = 132201952.

The previous prime is 396605873. The next prime is 396605959. The reversal of 396605904 is 409506693.

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, 4131264 + ... + 4131359.

Almost surely, 2^396605904 is an apocalyptic number.

It is an amenable number.

396605904 is an abundant number, since it is smaller than the sum of its proper divisors (627959472).

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

396605904 is a wasteful number, since it uses less digits than its factorization.

396605904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262634 (or 8262628 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 396605904 is about 19914.9668340171. The cubic root of 396605904 is about 734.7163846285.

The spelling of 396605904 in words is "three hundred ninety-six million, six hundred five thousand, nine hundred four".