564209346 has 16 divisors (see below), whose sum is σ = 1132917408. Its totient is φ = 187320000.

The previous prime is 564209329. The next prime is 564209357. The reversal of 564209346 is 643902465.

It is a super-2 number, since 2×564209346² = 636664372227495432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185815 + ... + 188826.

It is an arithmetic number, because the mean of its divisors is an integer number (70807338).

Almost surely, 2^564209346 is an apocalyptic number.

564209346 is an abundant number, since it is smaller than the sum of its proper divisors (568708062).

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

564209346 is a wasteful number, since it uses less digits than its factorization.

564209346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374897.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 564209346 is about 23753.0912935559. The cubic root of 564209346 is about 826.3171349739.

The spelling of 564209346 in words is "five hundred sixty-four million, two hundred nine thousand, three hundred forty-six".