564878392 has 16 divisors (see below), whose sum is σ = 1140620040. Its totient is φ = 260713056.

The previous prime is 564878351. The next prime is 564878393. The reversal of 564878392 is 293878465.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564878393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2715658 + ... + 2715865.

Almost surely, 2^564878392 is an apocalyptic number.

564878392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

564878392 is an abundant number, since it is smaller than the sum of its proper divisors (575741648).

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

564878392 is a wasteful number, since it uses less digits than its factorization.

564878392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431542 (or 5431538 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 564878392 is about 23767.1704668435. The cubic root of 564878392 is about 826.6436247769.

The spelling of 564878392 in words is "five hundred sixty-four million, eight hundred seventy-eight thousand, three hundred ninety-two".