564794090 has 32 divisors (see below), whose sum is σ = 1185580800. Its totient is φ = 193642512.

The previous prime is 564794071. The next prime is 564794093. The reversal of 564794090 is 90497465.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (564794093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78902 + ... + 85761.

It is an arithmetic number, because the mean of its divisors is an integer number (37049400).

Almost surely, 2^564794090 is an apocalyptic number.

564794090 is an abundant number, since it is smaller than the sum of its proper divisors (620786710).

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

564794090 is a wasteful number, since it uses less digits than its factorization.

564794090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164691 (or 164677 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 564794090 is about 23765.3969039021. The cubic root of 564794090 is about 826.6025001863.

The spelling of 564794090 in words is "five hundred sixty-four million, seven hundred ninety-four thousand, ninety".