564297920 has 28 divisors (see below), whose sum is σ = 1343735184. Its totient is φ = 225719040.

The previous prime is 564297917. The next prime is 564297941. The reversal of 564297920 is 29792465.

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, 881396 + ... + 882035.

Almost surely, 2^564297920 is an apocalyptic number.

It is an amenable number.

564297920 is an abundant number, since it is smaller than the sum of its proper divisors (779437264).

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

564297920 is a wasteful number, since it uses less digits than its factorization.

564297920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763448 (or 1763438 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 564297920 is about 23754.9556934969. The cubic root of 564297920 is about 826.3603732888.

The spelling of 564297920 in words is "five hundred sixty-four million, two hundred ninety-seven thousand, nine hundred twenty".