397330904 has 32 divisors (see below), whose sum is σ = 757900800. Its totient is φ = 195238560.

The previous prime is 397330891. The next prime is 397330931. The reversal of 397330904 is 409033793.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 384869 + ... + 385899.

It is an arithmetic number, because the mean of its divisors is an integer number (23684400).

Almost surely, 2^397330904 is an apocalyptic number.

It is an amenable number.

397330904 is a deficient number, since it is larger than the sum of its proper divisors (360569896).

397330904 is a wasteful number, since it uses less digits than its factorization.

397330904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 397330904 is about 19933.1609134126. The cubic root of 397330904 is about 735.1638020165.

The spelling of 397330904 in words is "three hundred ninety-seven million, three hundred thirty thousand, nine hundred four".