397494896 has 40 divisors (see below), whose sum is σ = 836851200. Its totient is φ = 182208960.

The previous prime is 397494883. The next prime is 397494913. The reversal of 397494896 is 698494793.

It is a congruent number.

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, 11666 + ... + 30513.

It is an arithmetic number, because the mean of its divisors is an integer number (20921280).

Almost surely, 2^397494896 is an apocalyptic number.

It is an amenable number.

397494896 is an abundant number, since it is smaller than the sum of its proper divisors (439356304).

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

397494896 is a wasteful number, since it uses less digits than its factorization.

397494896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42237 (or 42231 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The square root of 397494896 is about 19937.2740363371. The cubic root of 397494896 is about 735.2649304867.

The spelling of 397494896 in words is "three hundred ninety-seven million, four hundred ninety-four thousand, eight hundred ninety-six".