326289 has 8 divisors (see below), whose sum is σ = 442432. Its totient is φ = 213840.

The previous prime is 326257. The next prime is 326309. The reversal of 326289 is 982623.

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

It is not a de Polignac number, because 326289 - 2⁵ = 326257 is a prime.

It is a Duffinian number.

326289 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326289.

It is not an unprimeable number, because it can be changed into a prime (326219) 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, 709 + ... + 1074.

It is an arithmetic number, because the mean of its divisors is an integer number (55304).

2³²⁶²⁸⁹ is an apocalyptic number.

It is an amenable number.

326289 is a deficient number, since it is larger than the sum of its proper divisors (116143).

326289 is a wasteful number, since it uses less digits than its factorization.

326289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847.

The product of its digits is 5184, while the sum is 30.

The square root of 326289 is about 571.2171215921. The cubic root of 326289 is about 68.8442190271.

The spelling of 326289 in words is "three hundred twenty-six thousand, two hundred eighty-nine".