397132544 has 36 divisors (see below), whose sum is σ = 814157904. Its totient is φ = 193195008.

The previous prime is 397132459. The next prime is 397132553. The reversal of 397132544 is 445231793.

It is a junction number, because it is equal to n+sod(n) for n = 397132498 and 397132507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11492 + ... + 30435.

Almost surely, 2^397132544 is an apocalyptic number.

It is an amenable number.

397132544 is an abundant number, since it is smaller than the sum of its proper divisors (417025360).

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

397132544 is an equidigital number, since it uses as much as digits as its factorization.

397132544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41980 (or 41966 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 397132544 is about 19928.1846639377. The cubic root of 397132544 is about 735.0414427401.

The spelling of 397132544 in words is "three hundred ninety-seven million, one hundred thirty-two thousand, five hundred forty-four".