326489 has 4 divisors (see below), whose sum is σ = 328656. Its totient is φ = 324324.

The previous prime is 326479. The next prime is 326497. The reversal of 326489 is 984623.

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 a de Polignac number, because none of the positive numbers 2^k-326489 is a prime.

It is a Duffinian number.

326489 is a modest number, since divided by 489 gives 326 as remainder.

It is not an unprimeable number, because it can be changed into a prime (326449) 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, 839 + ... + 1164.

It is an arithmetic number, because the mean of its divisors is an integer number (82164).

2³²⁶⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

326489 is a deficient number, since it is larger than the sum of its proper divisors (2167).

326489 is a wasteful number, since it uses less digits than its factorization.

326489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its digits is 10368, while the sum is 32.

The square root of 326489 is about 571.3921595542. The cubic root of 326489 is about 68.8582822569.

The spelling of 326489 in words is "three hundred twenty-six thousand, four hundred eighty-nine".