328680 has 96 divisors (see below), whose sum is σ = 1179360. Its totient is φ = 78720.

The previous prime is 328667. The next prime is 328687. The reversal of 328680 is 86823.

328680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328680.

It is not an unprimeable number, because it can be changed into a prime (328687) by changing a digit.

328680 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3919 + ... + 4001.

It is an arithmetic number, because the mean of its divisors is an integer number (12285).

2³²⁸⁶⁸⁰ is an apocalyptic number.

328680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589680).

328680 is an abundant number, since it is smaller than the sum of its proper divisors (850680).

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

328680 is a wasteful number, since it uses less digits than its factorization.

328680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 328680 is about 573.3062009084. The cubic root of 328680 is about 69.0119701980.

The spelling of 328680 in words is "three hundred twenty-eight thousand, six hundred eighty".