564738 has 16 divisors (see below), whose sum is σ = 1148736. Its totient is φ = 185040.

The previous prime is 564713. The next prime is 564761. The reversal of 564738 is 837465.

It is a super-3 number, since 3×564738³ = 540333991450785816, which contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 564699 and 564708.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 564738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (71796).

2⁵⁶⁴⁷³⁸ is an apocalyptic number.

564738 is an abundant number, since it is smaller than the sum of its proper divisors (583998).

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

564738 is a wasteful number, since it uses less digits than its factorization.

564738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609.

The product of its digits is 20160, while the sum is 33.

The square root of 564738 is about 751.4905189023. The cubic root of 564738 is about 82.6575135836.

The spelling of 564738 in words is "five hundred sixty-four thousand, seven hundred thirty-eight".