397370432 has 14 divisors (see below), whose sum is σ = 788532078. Its totient is φ = 198685184.

The previous prime is 397370429. The next prime is 397370437. The reversal of 397370432 is 234073793.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 396169216 + 1201216 = 19904^2 + 1096^2 .

It is not an unprimeable number, because it can be changed into a prime (397370437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3104393 + ... + 3104520.

Almost surely, 2^397370432 is an apocalyptic number.

397370432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

397370432 is a deficient number, since it is larger than the sum of its proper divisors (391161646).

397370432 is an equidigital number, since it uses as much as digits as its factorization.

397370432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208925 (or 6208915 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 397370432 is about 19934.1524023471. The cubic root of 397370432 is about 735.1881801782.

The spelling of 397370432 in words is "three hundred ninety-seven million, three hundred seventy thousand, four hundred thirty-two".