328885956 has 72 divisors (see below), whose sum is σ = 955229184. Its totient is φ = 93461760.

The previous prime is 328885937. The next prime is 328885979. The reversal of 328885956 is 659588823.

328885956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44716 + ... + 51548.

It is an arithmetic number, because the mean of its divisors is an integer number (13267072).

Almost surely, 2^328885956 is an apocalyptic number.

328885956 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 328885956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477614592).

328885956 is an abundant number, since it is smaller than the sum of its proper divisors (626343228).

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

328885956 is a wasteful number, since it uses less digits than its factorization.

328885956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041 (or 7036 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 328885956 is about 18135.2131501121. The cubic root of 328885956 is about 690.2638184620.

The spelling of 328885956 in words is "three hundred twenty-eight million, eight hundred eighty-five thousand, nine hundred fifty-six".