309264952 has 16 divisors (see below), whose sum is σ = 613982160. Its totient is φ = 145536384.

The previous prime is 309264899. The next prime is 309264983. The reversal of 309264952 is 259462903.

It is a congruent number.

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, 1136868 + ... + 1137139.

It is an arithmetic number, because the mean of its divisors is an integer number (38373885).

Almost surely, 2^309264952 is an apocalyptic number.

It is an amenable number.

309264952 is a deficient number, since it is larger than the sum of its proper divisors (304717208).

309264952 is a wasteful number, since it uses less digits than its factorization.

309264952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274030 (or 2274026 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 309264952 is about 17585.9305127707. The cubic root of 309264952 is about 676.2546045609.

The spelling of 309264952 in words is "three hundred nine million, two hundred sixty-four thousand, nine hundred fifty-two".