564805938 has 32 divisors (see below), whose sum is σ = 1160205120. Its totient is φ = 183233600.

The previous prime is 564805897. The next prime is 564805949. The reversal of 564805938 is 839508465.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27856 + ... + 43652.

It is an arithmetic number, because the mean of its divisors is an integer number (36256410).

Almost surely, 2^564805938 is an apocalyptic number.

564805938 is an abundant number, since it is smaller than the sum of its proper divisors (595399182).

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

564805938 is a wasteful number, since it uses less digits than its factorization.

564805938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15962.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 564805938 is about 23765.6461725744. The cubic root of 564805938 is about 826.6082801794.

The spelling of 564805938 in words is "five hundred sixty-four million, eight hundred five thousand, nine hundred thirty-eight".