320945092 has 12 divisors (see below), whose sum is σ = 604858156. Its totient is φ = 148128480.

The previous prime is 320945069. The next prime is 320945173. The reversal of 320945092 is 290549023.

It can be written as a sum of positive squares in 2 ways, for example, as 55711296 + 265233796 = 7464^2 + 16286^2 .

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 3 ways as a sum of consecutive naturals, for example, 3085959 + ... + 3086062.

Almost surely, 2^320945092 is an apocalyptic number.

It is an amenable number.

320945092 is a deficient number, since it is larger than the sum of its proper divisors (283913064).

320945092 is a wasteful number, since it uses less digits than its factorization.

320945092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172038 (or 6172036 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 320945092 is about 17914.9404687819. The cubic root of 320945092 is about 684.6630854226.

The spelling of 320945092 in words is "three hundred twenty million, nine hundred forty-five thousand, ninety-two".