328085 has 4 divisors (see below), whose sum is σ = 393708. Its totient is φ = 262464.

The previous prime is 328067. The next prime is 328093. The reversal of 328085 is 580823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580823 = 67 ⋅8669.

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 75076 = 503^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 328085 - 2⁸ = 327829 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

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 328085.

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, 32804 + ... + 32813.

It is an arithmetic number, because the mean of its divisors is an integer number (98427).

2³²⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

328085 is a deficient number, since it is larger than the sum of its proper divisors (65623).

328085 is an equidigital number, since it uses as much as digits as its factorization.

328085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65622.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 328085 is about 572.7870459429. The cubic root of 328085 is about 68.9703015790.

It can be divided in two parts, 3 and 28085, that multiplied together give a triangular number (84255 = T₄₁₀).

The spelling of 328085 in words is "three hundred twenty-eight thousand, eighty-five".