328706664 has 96 divisors (see below), whose sum is σ = 972857760. Its totient is φ = 91935360.

The previous prime is 328706659. The next prime is 328706699. The reversal of 328706664 is 466607823.

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, 33399 + ... + 42105.

It is an arithmetic number, because the mean of its divisors is an integer number (10133935).

Almost surely, 2^328706664 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 328706664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486428880).

328706664 is an abundant number, since it is smaller than the sum of its proper divisors (644151096).

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

328706664 is a wasteful number, since it uses less digits than its factorization.

328706664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751 (or 8736 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 328706664 is about 18130.2692754410. The cubic root of 328706664 is about 690.1383633469.

The spelling of 328706664 in words is "three hundred twenty-eight million, seven hundred six thousand, six hundred sixty-four".