328808844 has 144 divisors (see below), whose sum is σ = 1058541120. Its totient is φ = 83704320.

The previous prime is 328808839. The next prime is 328808861. The reversal of 328808844 is 448808823.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 328808844.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93274 + ... + 96734.

It is an arithmetic number, because the mean of its divisors is an integer number (7350980).

Almost surely, 2^328808844 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 328808844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529270560).

328808844 is an abundant number, since it is smaller than the sum of its proper divisors (729732276).

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

328808844 is a wasteful number, since it uses less digits than its factorization.

328808844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520 (or 3515 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The square root of 328808844 is about 18133.0869958758. The cubic root of 328808844 is about 690.2098668483.

The spelling of 328808844 in words is "three hundred twenty-eight million, eight hundred eight thousand, eight hundred forty-four".