328999104 has 224 divisors, whose sum is σ = 1126540800. Its totient is φ = 92206080.

The previous prime is 328999093. The next prime is 328999133. The reversal of 328999104 is 401999823.

It is a tau number, because it is divible by the number of its divisors (224).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 328999104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713434 + ... + 713894.

It is an arithmetic number, because the mean of its divisors is an integer number (5029200).

Almost surely, 2^328999104 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 328999104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563270400).

328999104 is an abundant number, since it is smaller than the sum of its proper divisors (797541696).

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

328999104 is a wasteful number, since it uses less digits than its factorization.

328999104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 328999104 is about 18138.3324481607. The cubic root of 328999104 is about 690.3429674945.

The spelling of 328999104 in words is "three hundred twenty-eight million, nine hundred ninety-nine thousand, one hundred four".