339689 has 4 divisors (see below), whose sum is σ = 388224. Its totient is φ = 291156.

The previous prime is 339679. The next prime is 339707. The reversal of 339689 is 986933.

It is a happy number.

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 339689 - 2⁴ = 339673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (339649) 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 3 ways as a sum of consecutive naturals, for example, 24257 + ... + 24270.

It is an arithmetic number, because the mean of its divisors is an integer number (97056).

2³³⁹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

339689 is a deficient number, since it is larger than the sum of its proper divisors (48535).

339689 is an equidigital number, since it uses as much as digits as its factorization.

339689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48534.

The product of its digits is 34992, while the sum is 38.

The square root of 339689 is about 582.8284481732. The cubic root of 339689 is about 69.7740332472.

The spelling of 339689 in words is "three hundred thirty-nine thousand, six hundred eighty-nine".