564818946 has 16 divisors (see below), whose sum is σ = 1166078208. Its totient is φ = 182199600.

The previous prime is 564818929. The next prime is 564818951. The reversal of 564818946 is 649818465.

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 7 ways as a sum of consecutive naturals, for example, 1518145 + ... + 1518516.

It is an arithmetic number, because the mean of its divisors is an integer number (72879888).

Almost surely, 2^564818946 is an apocalyptic number.

564818946 is an abundant number, since it is smaller than the sum of its proper divisors (601259262).

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

564818946 is a wasteful number, since it uses less digits than its factorization.

564818946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036697.

The product of its digits is 1658880, while the sum is 51.

The square root of 564818946 is about 23765.9198433387. The cubic root of 564818946 is about 826.6146259803.

The spelling of 564818946 in words is "five hundred sixty-four million, eight hundred eighteen thousand, nine hundred forty-six".