328111056 has 300 divisors, whose sum is σ = 1169439908. Its totient is φ = 85349376.

The previous prime is 328111039. The next prime is 328111061. The reversal of 328111056 is 650111823.

It can be written as a sum of positive squares in 2 ways, for example, as 112021056 + 216090000 = 10584^2 + 14700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4494636 + ... + 4494708.

Almost surely, 2^328111056 is an apocalyptic number.

328111056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328111056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584719954).

328111056 is an abundant number, since it is smaller than the sum of its proper divisors (841328852).

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

328111056 is a wasteful number, since it uses less digits than its factorization.

328111056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 328111056 is about 18113.8360376813. The cubic root of 328111056 is about 689.7212736867.

Adding to 328111056 its reverse (650111823), we get a palindrome (978222879).

The spelling of 328111056 in words is "three hundred twenty-eight million, one hundred eleven thousand, fifty-six".