564630636 has 24 divisors (see below), whose sum is σ = 1319419584. Its totient is φ = 187931920.

The previous prime is 564630629. The next prime is 564630643. The reversal of 564630636 is 636036465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (564630629) and next prime (564630643).

It is a junction number, because it is equal to n+sod(n) for n = 564630594 and 564630603.

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, 26250 + ... + 42641.

It is an arithmetic number, because the mean of its divisors is an integer number (54975816).

Almost surely, 2^564630636 is an apocalyptic number.

It is an amenable number.

564630636 is an abundant number, since it is smaller than the sum of its proper divisors (754788948).

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

564630636 is a wasteful number, since it uses less digits than its factorization.

564630636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69581 (or 69579 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 564630636 is about 23761.9577476268. The cubic root of 564630636 is about 826.5227516410.

The spelling of 564630636 in words is "five hundred sixty-four million, six hundred thirty thousand, six hundred thirty-six".