564624 has 40 divisors (see below), whose sum is σ = 1621920. Its totient is φ = 188064.

The previous prime is 564617. The next prime is 564643. The reversal of 564624 is 426465.

It is a happy number.

It is a super-2 number, since 2×564624² = 637600522752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

564624 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 in 7 ways as a sum of consecutive naturals, for example, 222 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (40548).

2⁵⁶⁴⁶²⁴ is an apocalyptic number.

564624 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

564624 is an abundant number, since it is smaller than the sum of its proper divisors (1057296).

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

564624 is a wasteful number, since it uses less digits than its factorization.

564624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1312 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 564624 is about 751.4146658138. The cubic root of 564624 is about 82.6519513638.

The spelling of 564624 in words is "five hundred sixty-four thousand, six hundred twenty-four".