397425708 has 36 divisors (see below), whose sum is σ = 1014559728. Its totient is φ = 131162400.

The previous prime is 397425703. The next prime is 397425719. The reversal of 397425708 is 807524793.

397425708 is a `hidden beast` number, since 3 + 9 + 74 + 2 + 570 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (397425701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51016 + ... + 58287.

Almost surely, 2^397425708 is an apocalyptic number.

It is an amenable number.

397425708 is an abundant number, since it is smaller than the sum of its proper divisors (617134020).

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

397425708 is a wasteful number, since it uses less digits than its factorization.

397425708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109414 (or 109409 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 397425708 is about 19935.5388189033. The cubic root of 397425708 is about 735.2222679164. Note that the first 4 decimals are identical.

The spelling of 397425708 in words is "three hundred ninety-seven million, four hundred twenty-five thousand, seven hundred eight".