328578 has 16 divisors (see below), whose sum is σ = 686016. Its totient is φ = 104720.

The previous prime is 328543. The next prime is 328579. The reversal of 328578 is 875823.

328578 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (328579) by changing a digit.

328578 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 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 1328.

It is an arithmetic number, because the mean of its divisors is an integer number (42876).

2³²⁸⁵⁷⁸ is an apocalyptic number.

328578 is an abundant number, since it is smaller than the sum of its proper divisors (357438).

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

328578 is a wasteful number, since it uses less digits than its factorization.

328578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its digits is 13440, while the sum is 33.

The square root of 328578 is about 573.2172363075. The cubic root of 328578 is about 69.0048305797.

The spelling of 328578 in words is "three hundred twenty-eight thousand, five hundred seventy-eight".