326789 has 4 divisors (see below), whose sum is σ = 329280. Its totient is φ = 324300.

The previous prime is 326779. The next prime is 326831. The reversal of 326789 is 987623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 326789 - 2⁴ = 326773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037 + ... + 1314.

It is an arithmetic number, because the mean of its divisors is an integer number (82320).

2³²⁶⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

326789 is a deficient number, since it is larger than the sum of its proper divisors (2491).

326789 is a wasteful number, since it uses less digits than its factorization.

326789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490.

The product of its digits is 18144, while the sum is 35.

The square root of 326789 is about 571.6546160052. The cubic root of 326789 is about 68.8793663370.

The spelling of 326789 in words is "three hundred twenty-six thousand, seven hundred eighty-nine".