328626880 has 56 divisors (see below), whose sum is σ = 792034992. Its totient is φ = 129856512.

The previous prime is 328626841. The next prime is 328626899. The reversal of 328626880 is 88626823.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20374 + ... + 32746.

It is an arithmetic number, because the mean of its divisors is an integer number (14143482).

Almost surely, 2^328626880 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 328626880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396017496).

328626880 is an abundant number, since it is smaller than the sum of its proper divisors (463408112).

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

328626880 is a wasteful number, since it uses less digits than its factorization.

328626880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473 (or 12463 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 328626880 is about 18128.0688436469. The cubic root of 328626880 is about 690.0825218113.

The spelling of 328626880 in words is "three hundred twenty-eight million, six hundred twenty-six thousand, eight hundred eighty".