328846644 has 108 divisors (see below), whose sum is σ = 971898564. Its totient is φ = 93477888.

The previous prime is 328846633. The next prime is 328846711. The reversal of 328846644 is 446648823.

It can be written as a sum of positive squares in 2 ways, for example, as 80784144 + 248062500 = 8988^2 + 15750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 328846644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 488292 + ... + 488964.

Almost surely, 2^328846644 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 328846644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485949282).

328846644 is an abundant number, since it is smaller than the sum of its proper divisors (643051920).

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

328846644 is a wasteful number, since it uses less digits than its factorization.

328846644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 962 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The square root of 328846644 is about 18134.1292594930. The cubic root of 328846644 is about 690.2363147716.

The spelling of 328846644 in words is "three hundred twenty-eight million, eight hundred forty-six thousand, six hundred forty-four".