323689 has 8 divisors (see below), whose sum is σ = 338688. Its totient is φ = 309120.

The previous prime is 323651. The next prime is 323699. The reversal of 323689 is 986323.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 323689 - 2¹⁷ = 192617 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 323689.

It is not an unprimeable number, because it can be changed into a prime (323699) 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, 3289 + ... + 3385.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2³²³⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

323689 is a deficient number, since it is larger than the sum of its proper divisors (14999).

323689 is an equidigital number, since it uses as much as digits as its factorization.

323689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215.

The product of its digits is 7776, while the sum is 31.

The square root of 323689 is about 568.9367275893. The cubic root of 323689 is about 68.6608718311.

It can be divided in two parts, 32 and 3689, that added together give a square (3721 = 61²).

The spelling of 323689 in words is "three hundred twenty-three thousand, six hundred eighty-nine".