396967904 has 24 divisors (see below), whose sum is σ = 800594928. Its totient is φ = 193642240.

The previous prime is 396967903. The next prime is 396967913. The reversal of 396967904 is 409769693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396967903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149972 + ... + 152595.

It is an arithmetic number, because the mean of its divisors is an integer number (33358122).

Almost surely, 2^396967904 is an apocalyptic number.

It is an amenable number.

396967904 is an abundant number, since it is smaller than the sum of its proper divisors (403627024).

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

396967904 is a wasteful number, since it uses less digits than its factorization.

396967904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302618 (or 302610 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 53.

The square root of 396967904 is about 19924.0534028596. The cubic root of 396967904 is about 734.9398528534.

The spelling of 396967904 in words is "three hundred ninety-six million, nine hundred sixty-seven thousand, nine hundred four".