339688 has 8 divisors (see below), whose sum is σ = 636930. Its totient is φ = 169840.

The previous prime is 339679. The next prime is 339707. The reversal of 339688 is 886933.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 178084 + 161604 = 422^2 + 402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21223 + ... + 21238.

2³³⁹⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

339688 is a deficient number, since it is larger than the sum of its proper divisors (297242).

339688 is a wasteful number, since it uses less digits than its factorization.

339688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42467 (or 42463 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 339688 is about 582.8275902872. The cubic root of 339688 is about 69.7739647786.

The spelling of 339688 in words is "three hundred thirty-nine thousand, six hundred eighty-eight".