320856652 has 24 divisors (see below), whose sum is σ = 576136512. Its totient is φ = 156259200.

The previous prime is 320856649. The next prime is 320856677. The reversal of 320856652 is 256658023.

It is a happy number.

320856652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×320856652² = 205897982265298208, which contains 22 as substring.

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, 133453 + ... + 135835.

It is an arithmetic number, because the mean of its divisors is an integer number (24005688).

Almost surely, 2^320856652 is an apocalyptic number.

It is an amenable number.

320856652 is a deficient number, since it is larger than the sum of its proper divisors (255279860).

320856652 is a wasteful number, since it uses less digits than its factorization.

320856652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 320856652 is about 17912.4719678776. The cubic root of 320856652 is about 684.6001907951.

The spelling of 320856652 in words is "three hundred twenty million, eight hundred fifty-six thousand, six hundred fifty-two".