397580544 has 54 divisors (see below), whose sum is σ = 1146329366. Its totient is φ = 132526080.

The previous prime is 397580501. The next prime is 397580551. The reversal of 397580544 is 445085793.

397580544 is a `hidden beast` number, since 39 + 75 + 8 + 0 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 341510400 + 56070144 = 18480^2 + 7488^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 397580544.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83977 + ... + 88584.

Almost surely, 2^397580544 is an apocalyptic number.

It is an amenable number.

397580544 is an abundant number, since it is smaller than the sum of its proper divisors (748748822).

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

397580544 is a wasteful number, since it uses less digits than its factorization.

397580544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172583 (or 172566 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 397580544 is about 19939.4218572154. The cubic root of 397580544 is about 735.3177357335.

The spelling of 397580544 in words is "three hundred ninety-seven million, five hundred eighty thousand, five hundred forty-four".