397399112 has 16 divisors (see below), whose sum is σ = 812862000. Its totient is φ = 180635920.

The previous prime is 397399091. The next prime is 397399127. The reversal of 397399112 is 211993793.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 2257862 + ... + 2258037.

It is an arithmetic number, because the mean of its divisors is an integer number (50803875).

Almost surely, 2^397399112 is an apocalyptic number.

It is an amenable number.

397399112 is an abundant number, since it is smaller than the sum of its proper divisors (415462888).

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

397399112 is a wasteful number, since it uses less digits than its factorization.

397399112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515916 (or 4515912 counting only the distinct ones).

The product of its digits is 91854, while the sum is 44.

The square root of 397399112 is about 19934.8717578017. The cubic root of 397399112 is about 735.2058670249.

The spelling of 397399112 in words is "three hundred ninety-seven million, three hundred ninety-nine thousand, one hundred twelve".