328271056 has 80 divisors (see below), whose sum is σ = 692098560. Its totient is φ = 150353280.

The previous prime is 328271033. The next prime is 328271081. The reversal of 328271056 is 650172823.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446015 + ... + 1446241.

It is an arithmetic number, because the mean of its divisors is an integer number (8651232).

Almost surely, 2^328271056 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 328271056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346049280).

328271056 is an abundant number, since it is smaller than the sum of its proper divisors (363827504).

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

328271056 is a wasteful number, since it uses less digits than its factorization.

328271056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 328271056 is about 18118.2520128185. The cubic root of 328271056 is about 689.8333673094.

The spelling of 328271056 in words is "three hundred twenty-eight million, two hundred seventy-one thousand, fifty-six".