339668 has 18 divisors (see below), whose sum is σ = 691866. Its totient is φ = 145488.

The previous prime is 339659. The next prime is 339671. The reversal of 339668 is 866933.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 56644 = 532^2 + 238^2 .

It is a congruent number.

It is an unprimeable number.

339668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 671 + ... + 1062.

It is an arithmetic number, because the mean of its divisors is an integer number (38437).

2³³⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

339668 is an abundant number, since it is smaller than the sum of its proper divisors (352198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

339668 is a wasteful number, since it uses less digits than its factorization.

339668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1742 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 339668 is about 582.8104323020. The cubic root of 339668 is about 69.7725953781.

The spelling of 339668 in words is "three hundred thirty-nine thousand, six hundred sixty-eight".