328855572 has 96 divisors (see below), whose sum is σ = 918579200. Its totient is φ = 101406816.

The previous prime is 328855567. The next prime is 328855603. The reversal of 328855572 is 275558823.

328855572 is a `hidden beast` number, since 3 + 28 + 8 + 55 + 572 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86373 + ... + 90099.

Almost surely, 2^328855572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328855572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459289600).

328855572 is an abundant number, since it is smaller than the sum of its proper divisors (589723628).

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

328855572 is a wasteful number, since it uses less digits than its factorization.

328855572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802 (or 3794 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 328855572 is about 18134.3754234878. The cubic root of 328855572 is about 690.2425612234.

The spelling of 328855572 in words is "three hundred twenty-eight million, eight hundred fifty-five thousand, five hundred seventy-two".