564021796 has 24 divisors (see below), whose sum is σ = 1064549304. Its totient is φ = 259929600.

The previous prime is 564021793. The next prime is 564021811. The reversal of 564021796 is 697120465.

It can be written as a sum of positive squares in 4 ways, for example, as 70560000 + 493461796 = 8400^2 + 22214^2 .

It is a super-3 number, since 3×564021796³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (564021791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28716 + ... + 44188.

It is an arithmetic number, because the mean of its divisors is an integer number (44356221).

Almost surely, 2^564021796 is an apocalyptic number.

It is an amenable number.

564021796 is a deficient number, since it is larger than the sum of its proper divisors (500527508).

564021796 is a wasteful number, since it uses less digits than its factorization.

564021796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191 (or 16189 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 564021796 is about 23749.1430582242. The cubic root of 564021796 is about 826.2255655621.

The spelling of 564021796 in words is "five hundred sixty-four million, twenty-one thousand, seven hundred ninety-six".