397017896 has 32 divisors (see below), whose sum is σ = 820471680. Its totient is φ = 178598400.

The previous prime is 397017877. The next prime is 397017911. The reversal of 397017896 is 698710793.

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, 14720 + ... + 31791.

It is an arithmetic number, because the mean of its divisors is an integer number (25639740).

Almost surely, 2^397017896 is an apocalyptic number.

It is an amenable number.

397017896 is an abundant number, since it is smaller than the sum of its proper divisors (423453784).

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

397017896 is a wasteful number, since it uses less digits than its factorization.

397017896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46625 (or 46621 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 397017896 is about 19925.3079273571. The cubic root of 397017896 is about 734.9707030141.

The spelling of 397017896 in words is "three hundred ninety-seven million, seventeen thousand, eight hundred ninety-six".