339309 has 20 divisors (see below), whose sum is σ = 522720. Its totient is φ = 219240.

The previous prime is 339307. The next prime is 339323. The reversal of 339309 is 903933.

It is not a de Polignac number, because 339309 - 2¹ = 339307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

339309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339307) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 4744 + ... + 4814.

It is an arithmetic number, because the mean of its divisors is an integer number (26136).

2³³⁹³⁰⁹ is an apocalyptic number.

It is an amenable number.

339309 is a deficient number, since it is larger than the sum of its proper divisors (183411).

339309 is an equidigital number, since it uses as much as digits as its factorization.

339309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 27.

The square root of 339309 is about 582.5023605102. The cubic root of 339309 is about 69.7480054927.

The spelling of 339309 in words is "three hundred thirty-nine thousand, three hundred nine".