328539 has 8 divisors (see below), whose sum is σ = 442960. Its totient is φ = 216576.

The previous prime is 328519. The next prime is 328543. The reversal of 328539 is 935823.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328539 - 2⁷ = 328411 is a prime.

It is a super-4 number, since 4×328539⁴ (a number of 23 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328539.

It is not an unprimeable number, because it can be changed into a prime (328519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (55370).

2³²⁸⁵³⁹ is an apocalyptic number.

328539 is a deficient number, since it is larger than the sum of its proper divisors (114421).

328539 is a wasteful number, since it uses less digits than its factorization.

328539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229.

The product of its digits is 6480, while the sum is 30.

The square root of 328539 is about 573.1832167815. The cubic root of 328539 is about 69.0021003351.

Subtracting from 328539 its sum of digits (30), we obtain a cube (328509 = 69³).

The spelling of 328539 in words is "three hundred twenty-eight thousand, five hundred thirty-nine".