564978246 has 32 divisors (see below), whose sum is σ = 1304701440. Its totient is φ = 159757056.

The previous prime is 564978229. The next prime is 564978269. The reversal of 564978246 is 642879465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65266 + ... + 73413.

It is an arithmetic number, because the mean of its divisors is an integer number (40771920).

Almost surely, 2^564978246 is an apocalyptic number.

564978246 is an abundant number, since it is smaller than the sum of its proper divisors (739723194).

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

564978246 is a wasteful number, since it uses less digits than its factorization.

564978246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138788.

The product of its digits is 2903040, while the sum is 51.

The square root of 564978246 is about 23769.2710447754. The cubic root of 564978246 is about 826.6923307228.

The spelling of 564978246 in words is "five hundred sixty-four million, nine hundred seventy-eight thousand, two hundred forty-six".