264305864 has 32 divisors (see below), whose sum is σ = 513263520. Its totient is φ = 127510656.

The previous prime is 264305849. The next prime is 264305879. The reversal of 264305864 is 468503462.

It is an interprime number because it is at equal distance from previous prime (264305849) and next prime (264305879).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23924 + ... + 33180.

It is an arithmetic number, because the mean of its divisors is an integer number (16039485).

Almost surely, 2^264305864 is an apocalyptic number.

It is an amenable number.

264305864 is a deficient number, since it is larger than the sum of its proper divisors (248957656).

264305864 is a wasteful number, since it uses less digits than its factorization.

264305864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9389 (or 9385 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 264305864 is about 16257.4863985796. The cubic root of 264305864 is about 641.7545151514.

The spelling of 264305864 in words is "two hundred sixty-four million, three hundred five thousand, eight hundred sixty-four".