339685 has 8 divisors (see below), whose sum is σ = 417816. Its totient is φ = 264960.

The previous prime is 339679. The next prime is 339707. The reversal of 339685 is 586933.

It can be written as a sum of positive squares in 4 ways, for example, as 961 + 338724 = 31^2 + 582^2 .

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

It is not a de Polignac number, because 339685 - 2⁵ = 339653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 339685.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 624 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (52227).

2³³⁹⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

339685 is a deficient number, since it is larger than the sum of its proper divisors (78131).

339685 is a wasteful number, since it uses less digits than its factorization.

339685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its digits is 19440, while the sum is 34.

The square root of 339685 is about 582.8250166216. The cubic root of 339685 is about 69.7737593719.

It can be divided in two parts, 3396 and 85, that added together give a square (3481 = 59²).

The spelling of 339685 in words is "three hundred thirty-nine thousand, six hundred eighty-five".