564926399 has 4 divisors (see below), whose sum is σ = 570109320. Its totient is φ = 559743480.

The previous prime is 564926377. The next prime is 564926407. The reversal of 564926399 is 993629465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564926399 - 2⁸ = 564926143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564926399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564926309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591297 + ... + 2591514.

It is an arithmetic number, because the mean of its divisors is an integer number (142527330).

Almost surely, 2^564926399 is an apocalyptic number.

564926399 is a deficient number, since it is larger than the sum of its proper divisors (5182921).

564926399 is a wasteful number, since it uses less digits than its factorization.

564926399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182920.

The product of its digits is 3149280, while the sum is 53.

The square root of 564926399 is about 23768.1803889149. The cubic root of 564926399 is about 826.6670419447.

The spelling of 564926399 in words is "five hundred sixty-four million, nine hundred twenty-six thousand, three hundred ninety-nine".