397391484 has 24 divisors (see below), whose sum is σ = 1059710848. Its totient is φ = 113540400.

The previous prime is 397391471. The next prime is 397391503. The reversal of 397391484 is 484193793.

It is a happy number.

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, 2365342 + ... + 2365509.

Almost surely, 2^397391484 is an apocalyptic number.

It is an amenable number.

397391484 is an abundant number, since it is smaller than the sum of its proper divisors (662319364).

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

397391484 is a wasteful number, since it uses less digits than its factorization.

397391484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730865 (or 4730863 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 397391484 is about 19934.6804338570. The cubic root of 397391484 is about 735.2011629495.

The spelling of 397391484 in words is "three hundred ninety-seven million, three hundred ninety-one thousand, four hundred eighty-four".