328278272 has 36 divisors (see below), whose sum is σ = 748888896. Its totient is φ = 140689920.

The previous prime is 328278263. The next prime is 328278311. The reversal of 328278272 is 272872823.

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, 89804 + ... + 93387.

Almost surely, 2^328278272 is an apocalyptic number.

328278272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

328278272 is an abundant number, since it is smaller than the sum of its proper divisors (420610624).

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

328278272 is an equidigital number, since it uses as much as digits as its factorization.

328278272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183214 (or 183200 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 328278272 is about 18118.4511479320. The cubic root of 328278272 is about 689.8384218734.

The spelling of 328278272 in words is "three hundred twenty-eight million, two hundred seventy-eight thousand, two hundred seventy-two".