397841604 has 24 divisors (see below), whose sum is σ = 960308160. Its totient is φ = 128040864.

The previous prime is 397841567. The next prime is 397841623. The reversal of 397841604 is 406148793.

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, 571264 + ... + 571959.

It is an arithmetic number, because the mean of its divisors is an integer number (40012840).

Almost surely, 2^397841604 is an apocalyptic number.

It is an amenable number.

397841604 is an abundant number, since it is smaller than the sum of its proper divisors (562466556).

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

397841604 is a wasteful number, since it uses less digits than its factorization.

397841604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143259 (or 1143257 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 397841604 is about 19945.9671111731. The cubic root of 397841604 is about 735.4786423731.

The spelling of 397841604 in words is "three hundred ninety-seven million, eight hundred forty-one thousand, six hundred four".