328304 has 30 divisors (see below), whose sum is σ = 685224. Its totient is φ = 152320.

The previous prime is 328303. The next prime is 328327. The reversal of 328304 is 403823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4589 + ... + 4659.

2³²⁸³⁰⁴ is an apocalyptic number.

328304 is a gapful number since it is divisible by the number (34) 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 328304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342612).

328304 is an abundant number, since it is smaller than the sum of its proper divisors (356920).

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

328304 is a wasteful number, since it uses less digits than its factorization.

328304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 328304 is about 572.9781845760. The cubic root of 328304 is about 68.9856442864.

The spelling of 328304 in words is "three hundred twenty-eight thousand, three hundred four".