565988 has 6 divisors (see below), whose sum is σ = 990486. Its totient is φ = 282992.

The previous prime is 565979. The next prime is 565997. The reversal of 565988 is 889565.

It is an interprime number because it is at equal distance from previous prime (565979) and next prime (565997).

It can be written as a sum of positive squares in only one way, i.e., 565504 + 484 = 752^2 + 22^2 .

It is a super-2 number, since 2×565988² = 640684832288, which contains 22 as substring.

It is an unprimeable number.

565988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70745 + ... + 70752.

It is an arithmetic number, because the mean of its divisors is an integer number (165081).

2⁵⁶⁵⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

565988 is a deficient number, since it is larger than the sum of its proper divisors (424498).

565988 is a wasteful number, since it uses less digits than its factorization.

565988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141501 (or 141499 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 565988 is about 752.3217396832. The cubic root of 565988 is about 82.7184537920.

The spelling of 565988 in words is "five hundred sixty-five thousand, nine hundred eighty-eight".