3232320857 has 6 divisors (see below), whose sum is σ = 3422705598. Its totient is φ = 3041963712.

The previous prime is 3232320853. The next prime is 3232320899. The reversal of 3232320857 is 7580232323.

It can be written as a sum of positive squares in 3 ways, for example, as 2705664256 + 526656601 = 52016^2 + 22949^2 .

It is not a de Polignac number, because 3232320857 - 2² = 3232320853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3232320853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227519 + ... + 241307.

It is an arithmetic number, because the mean of its divisors is an integer number (570450933).

Almost surely, 2^3232320857 is an apocalyptic number.

It is an amenable number.

3232320857 is a deficient number, since it is larger than the sum of its proper divisors (190384741).

3232320857 is an frugal number, since it uses more digits than its factorization.

3232320857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27595 (or 13806 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 3232320857 is about 56853.5034716419. The cubic root of 3232320857 is about 1478.5572830600.

The spelling of 3232320857 in words is "three billion, two hundred thirty-two million, three hundred twenty thousand, eight hundred fifty-seven".