328205 has 8 divisors (see below), whose sum is σ = 403704. Its totient is φ = 256000.

The previous prime is 328177. The next prime is 328213. The reversal of 328205 is 502823.

It can be written as a sum of positive squares in 4 ways, for example, as 51529 + 276676 = 227^2 + 526^2 .

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

It is not a de Polignac number, because 328205 - 2¹⁴ = 311821 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 328205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (50463).

2³²⁸²⁰⁵ is an apocalyptic number.

It is an amenable number.

328205 is a deficient number, since it is larger than the sum of its proper divisors (75499).

328205 is a wasteful number, since it uses less digits than its factorization.

328205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 328205 is about 572.8917873386. The cubic root of 328205 is about 68.9787093873.

The spelling of 328205 in words is "three hundred twenty-eight thousand, two hundred five".