565728392 has 16 divisors (see below), whose sum is σ = 1075272540. Its totient is φ = 278989056.

The previous prime is 565728379. The next prime is 565728463. The reversal of 565728392 is 293827565.

It can be written as a sum of positive squares in 2 ways, for example, as 558187876 + 7540516 = 23626^2 + 2746^2 .

It is a super-2 number, since 2×565728392² = 640097227029811328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483773 + ... + 484940.

Almost surely, 2^565728392 is an apocalyptic number.

It is an amenable number.

565728392 is a deficient number, since it is larger than the sum of its proper divisors (509544148).

565728392 is a wasteful number, since it uses less digits than its factorization.

565728392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968792 (or 968788 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 565728392 is about 23785.0455538769. The cubic root of 565728392 is about 827.0580472730.

The spelling of 565728392 in words is "five hundred sixty-five million, seven hundred twenty-eight thousand, three hundred ninety-two".