326285 has 4 divisors (see below), whose sum is σ = 391548. Its totient is φ = 261024.

The previous prime is 326257. The next prime is 326309. The reversal of 326285 is 582623.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77284 + 249001 = 278^2 + 499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326285 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 326285.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32624 + ... + 32633.

It is an arithmetic number, because the mean of its divisors is an integer number (97887).

2³²⁶²⁸⁵ is an apocalyptic number.

It is an amenable number.

326285 is a deficient number, since it is larger than the sum of its proper divisors (65263).

326285 is an equidigital number, since it uses as much as digits as its factorization.

326285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65262.

The product of its digits is 2880, while the sum is 26.

The square root of 326285 is about 571.2136202858. The cubic root of 326285 is about 68.8439377039.

The spelling of 326285 in words is "three hundred twenty-six thousand, two hundred eighty-five".