328261588 has 12 divisors (see below), whose sum is σ = 574922880. Its totient is φ = 163997912.

The previous prime is 328261529. The next prime is 328261639. The reversal of 328261588 is 885162823.

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, 27556 + ... + 37627.

It is an arithmetic number, because the mean of its divisors is an integer number (47910240).

Almost surely, 2^328261588 is an apocalyptic number.

It is an amenable number.

328261588 is a deficient number, since it is larger than the sum of its proper divisors (246661292).

328261588 is a wasteful number, since it uses less digits than its factorization.

328261588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66446 (or 66444 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 328261588 is about 18117.9907274510. The cubic root of 328261588 is about 689.8267351833.

The spelling of 328261588 in words is "three hundred twenty-eight million, two hundred sixty-one thousand, five hundred eighty-eight".