397373872 has 40 divisors (see below), whose sum is σ = 908291072. Its totient is φ = 164808000.

The previous prime is 397373857. The next prime is 397373891. The reversal of 397373872 is 278373793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53754 + ... + 60697.

Almost surely, 2^397373872 is an apocalyptic number.

It is an amenable number.

397373872 is an abundant number, since it is smaller than the sum of its proper divisors (510917200).

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

397373872 is a wasteful number, since it uses less digits than its factorization.

397373872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114497 (or 114491 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 49.

The square root of 397373872 is about 19934.2386862403. The cubic root of 397373872 is about 735.1903016580.

The spelling of 397373872 in words is "three hundred ninety-seven million, three hundred seventy-three thousand, eight hundred seventy-two".