397774904 has 16 divisors (see below), whose sum is σ = 771546600. Its totient is φ = 192029152.

The previous prime is 397774843. The next prime is 397774957. The reversal of 397774904 is 409477793.

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, 857042 + ... + 857505.

Almost surely, 2^397774904 is an apocalyptic number.

It is an amenable number.

397774904 is a deficient number, since it is larger than the sum of its proper divisors (373771696).

397774904 is a wasteful number, since it uses less digits than its factorization.

397774904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714582 (or 1714578 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 50.

The square root of 397774904 is about 19944.2950238909. The cubic root of 397774904 is about 735.4375379347.

The spelling of 397774904 in words is "three hundred ninety-seven million, seven hundred seventy-four thousand, nine hundred four".