564381982 has 16 divisors (see below), whose sum is σ = 859963392. Its totient is φ = 277741240.

The previous prime is 564381977. The next prime is 564382033. The reversal of 564381982 is 289183465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88803 + ... + 94945.

It is an arithmetic number, because the mean of its divisors is an integer number (53747712).

Almost surely, 2^564381982 is an apocalyptic number.

564381982 is a deficient number, since it is larger than the sum of its proper divisors (295581410).

564381982 is a wasteful number, since it uses less digits than its factorization.

564381982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863.

The product of its digits is 414720, while the sum is 46.

The square root of 564381982 is about 23756.7249847280. The cubic root of 564381982 is about 826.4014048398.

The spelling of 564381982 in words is "five hundred sixty-four million, three hundred eighty-one thousand, nine hundred eighty-two".