564678 has 16 divisors (see below), whose sum is σ = 1254960. Its totient is φ = 188208.

The previous prime is 564671. The next prime is 564679. The reversal of 564678 is 876465.

It is a happy number.

564678 is a `hidden beast` number, since 5 + 646 + 7 + 8 = 666.

564678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×564678² = 637722487368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5175 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (78435).

2⁵⁶⁴⁶⁷⁸ is an apocalyptic number.

564678 is an abundant number, since it is smaller than the sum of its proper divisors (690282).

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

564678 is a wasteful number, since it uses less digits than its factorization.

564678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10468 (or 10462 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 564678 is about 751.4505971786. The cubic root of 564678 is about 82.6545861929.

The spelling of 564678 in words is "five hundred sixty-four thousand, six hundred seventy-eight".