328504 has 16 divisors (see below), whose sum is σ = 672120. Its totient is φ = 149280.

The previous prime is 328481. The next prime is 328511. The reversal of 328504 is 405823.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779 + ... + 1954.

2³²⁸⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

328504 is an abundant number, since it is smaller than the sum of its proper divisors (343616).

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

328504 is a wasteful number, since it uses less digits than its factorization.

328504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750 (or 3746 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 328504 is about 573.1526847185. The cubic root of 328504 is about 68.9996499317. Note that the first 3 decimals are identical.

The spelling of 328504 in words is "three hundred twenty-eight thousand, five hundred four".