397234384 has 20 divisors (see below), whose sum is σ = 770013216. Its totient is φ = 198521312.

The previous prime is 397234319. The next prime is 397234399. The reversal of 397234384 is 483432793.

It is a self number, because there is not a number n which added to its sum of digits gives 397234384.

It is a congruent number.

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, 37947 + ... + 47269.

Almost surely, 2^397234384 is an apocalyptic number.

It is an amenable number.

397234384 is a deficient number, since it is larger than the sum of its proper divisors (372778832).

397234384 is a wasteful number, since it uses less digits than its factorization.

397234384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994 (or 11988 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 397234384 is about 19930.7396751852. The cubic root of 397234384 is about 735.1042682996.

The spelling of 397234384 in words is "three hundred ninety-seven million, two hundred thirty-four thousand, three hundred eighty-four".