397882732 has 12 divisors (see below), whose sum is σ = 749856016. Its totient is φ = 183638160.

The previous prime is 397882711. The next prime is 397882747. The reversal of 397882732 is 237288793.

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, 3825744 + ... + 3825847.

Almost surely, 2^397882732 is an apocalyptic number.

It is an amenable number.

397882732 is a deficient number, since it is larger than the sum of its proper divisors (351973284).

397882732 is a wasteful number, since it uses less digits than its factorization.

397882732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651608 (or 7651606 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 397882732 is about 19946.9980698851. The cubic root of 397882732 is about 735.5039855608.

The spelling of 397882732 in words is "three hundred ninety-seven million, eight hundred eighty-two thousand, seven hundred thirty-two".