328272288 has 48 divisors (see below), whose sum is σ = 885013920. Its totient is φ = 106465536.

The previous prime is 328272271. The next prime is 328272311. The reversal of 328272288 is 882272823.

It is a tau number, because it is divible by the number of its divisors (48).

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, 42658 + ... + 49761.

It is an arithmetic number, because the mean of its divisors is an integer number (18437790).

Almost surely, 2^328272288 is an apocalyptic number.

It is an amenable number.

328272288 is an abundant number, since it is smaller than the sum of its proper divisors (556741632).

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

328272288 is a wasteful number, since it uses less digits than its factorization.

328272288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92469 (or 92461 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 328272288 is about 18118.2860116513. The cubic root of 328272288 is about 689.8342302890.

The spelling of 328272288 in words is "three hundred twenty-eight million, two hundred seventy-two thousand, two hundred eighty-eight".