328535 has 4 divisors (see below), whose sum is σ = 394248. Its totient is φ = 262824.

The previous prime is 328519. The next prime is 328543. The reversal of 328535 is 535823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328535 - 2⁴ = 328519 is a prime.

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 328535.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32849 + ... + 32858.

It is an arithmetic number, because the mean of its divisors is an integer number (98562).

2³²⁸⁵³⁵ is an apocalyptic number.

328535 is a deficient number, since it is larger than the sum of its proper divisors (65713).

328535 is an equidigital number, since it uses as much as digits as its factorization.

328535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65712.

The product of its digits is 3600, while the sum is 26.

The square root of 328535 is about 573.1797274852. The cubic root of 328535 is about 69.0018202978.

Subtracting from 328535 its sum of digits (26), we obtain a cube (328509 = 69³).

The spelling of 328535 in words is "three hundred twenty-eight thousand, five hundred thirty-five".