328775556 has 24 divisors (see below), whose sum is σ = 785854944. Its totient is φ = 106918720.

The previous prime is 328775537. The next prime is 328775567. The reversal of 328775556 is 655577823.

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, 333630 + ... + 334613.

It is an arithmetic number, because the mean of its divisors is an integer number (32743956).

Almost surely, 2^328775556 is an apocalyptic number.

It is an amenable number.

328775556 is an abundant number, since it is smaller than the sum of its proper divisors (457079388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328775556 is a wasteful number, since it uses less digits than its factorization.

328775556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668291 (or 668289 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 48.

The square root of 328775556 is about 18132.1690925272. The cubic root of 328775556 is about 690.1865742050.

The spelling of 328775556 in words is "three hundred twenty-eight million, seven hundred seventy-five thousand, five hundred fifty-six".