564776 has 16 divisors (see below), whose sum is σ = 1067040. Its totient is φ = 280240.

The previous prime is 564761. The next prime is 564779. The reversal of 564776 is 677465.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 564776.

It is not an unprimeable number, because it can be changed into a prime (564779) 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, 1661 + ... + 1971.

It is an arithmetic number, because the mean of its divisors is an integer number (66690).

2⁵⁶⁴⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

564776 is a deficient number, since it is larger than the sum of its proper divisors (502264).

564776 is a wasteful number, since it uses less digits than its factorization.

564776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 540 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 564776 is about 751.5158015637. The cubic root of 564776 is about 82.6593674906.

The spelling of 564776 in words is "five hundred sixty-four thousand, seven hundred seventy-six".