328444825 has 12 divisors (see below), whose sum is σ = 409631148. Its totient is φ = 261233600.

The previous prime is 328444817. The next prime is 328444841. The reversal of 328444825 is 528444823.

It can be written as a sum of positive squares in 6 ways, for example, as 30261001 + 298183824 = 5501^2 + 17268^2 .

It is not a de Polignac number, because 328444825 - 2³ = 328444817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33646 + ... + 42295.

It is an arithmetic number, because the mean of its divisors is an integer number (34135929).

Almost surely, 2^328444825 is an apocalyptic number.

It is an amenable number.

328444825 is a deficient number, since it is larger than the sum of its proper divisors (81186323).

328444825 is a wasteful number, since it uses less digits than its factorization.

328444825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76124 (or 76119 counting only the distinct ones).

The product of its digits is 245760, while the sum is 40.

The square root of 328444825 is about 18123.0467913097. The cubic root of 328444825 is about 689.9550660370.

The spelling of 328444825 in words is "three hundred twenty-eight million, four hundred forty-four thousand, eight hundred twenty-five".