328690944 has 108 divisors (see below), whose sum is σ = 952765632. Its totient is φ = 108979200.

The previous prime is 328690939. The next prime is 328690949. The reversal of 328690944 is 449096823.

328690944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (328690939) and next prime (328690949).

It is a super-2 number, since 2×328690944² = 216075473335222272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328690944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328690949) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 762409 + ... + 762839.

It is an arithmetic number, because the mean of its divisors is an integer number (8821904).

Almost surely, 2^328690944 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 328690944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476382816).

328690944 is an abundant number, since it is smaller than the sum of its proper divisors (624074688).

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

328690944 is a wasteful number, since it uses less digits than its factorization.

328690944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 328690944 is about 18129.8357411202. The cubic root of 328690944 is about 690.1273614931.

The spelling of 328690944 in words is "three hundred twenty-eight million, six hundred ninety thousand, nine hundred forty-four".