564944 has 40 divisors (see below), whose sum is σ = 1214208. Its totient is φ = 253440.

The previous prime is 564937. The next prime is 564959. The reversal of 564944 is 449465.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 564944.

It is a congruent number.

It is an unprimeable number.

564944 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, 8399 + ... + 8465.

2⁵⁶⁴⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607104).

564944 is an abundant number, since it is smaller than the sum of its proper divisors (649264).

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

564944 is a wasteful number, since it uses less digits than its factorization.

564944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 117 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 564944 is about 751.6275673497. The cubic root of 564944 is about 82.6675627143.

The spelling of 564944 in words is "five hundred sixty-four thousand, nine hundred forty-four".