564988 has 12 divisors (see below), whose sum is σ = 996912. Its totient is φ = 280160.

The previous prime is 564983. The next prime is 564989. The reversal of 564988 is 889465.

It is a super-2 number, since 2×564988² = 638422880288, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5 + 6 + 9⁶ + 4⁴ + 8³ + 8⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 564988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564983) 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, 33 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (83076).

2⁵⁶⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

564988 is a deficient number, since it is larger than the sum of its proper divisors (431924).

564988 is a wasteful number, since it uses less digits than its factorization.

564988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1170 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 564988 is about 751.6568365950. The cubic root of 564988 is about 82.6697088139.

The spelling of 564988 in words is "five hundred sixty-four thousand, nine hundred eighty-eight".