564839834 has 8 divisors (see below), whose sum is σ = 912433620. Its totient is φ = 260695296.

The previous prime is 564839813. The next prime is 564839851. The reversal of 564839834 is 438938465.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 455950609 + 108889225 = 21353^2 + 10435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10862279 + ... + 10862330.

Almost surely, 2^564839834 is an apocalyptic number.

564839834 is a deficient number, since it is larger than the sum of its proper divisors (347593786).

564839834 is a wasteful number, since it uses less digits than its factorization.

564839834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21724624.

The product of its digits is 2488320, while the sum is 50.

The square root of 564839834 is about 23766.3592920750. The cubic root of 564839834 is about 826.6248157432.

The spelling of 564839834 in words is "five hundred sixty-four million, eight hundred thirty-nine thousand, eight hundred thirty-four".