564915834 has 48 divisors (see below), whose sum is σ = 1459665792. Its totient is φ = 154386144.

The previous prime is 564915833. The next prime is 564915839. The reversal of 564915834 is 438519465.

564915834 is a `hidden beast` number, since 5 + 64 + 9 + 1 + 583 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 564915834.

It is not an unprimeable number, because it can be changed into a prime (564915833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94569 + ... + 100364.

It is an arithmetic number, because the mean of its divisors is an integer number (30409704).

Almost surely, 2^564915834 is an apocalyptic number.

564915834 is an abundant number, since it is smaller than the sum of its proper divisors (894749958).

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

564915834 is a wasteful number, since it uses less digits than its factorization.

564915834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194971 (or 194968 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 564915834 is about 23767.9581369540. The cubic root of 564915834 is about 826.6618885939.

The spelling of 564915834 in words is "five hundred sixty-four million, nine hundred fifteen thousand, eight hundred thirty-four".