339128 has 8 divisors (see below), whose sum is σ = 635880. Its totient is φ = 169560.

The previous prime is 339127. The next prime is 339137. The reversal of 339128 is 821933.

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

It is a junction number, because it is equal to n+sod(n) for n = 339097 and 339106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21188 + ... + 21203.

It is an arithmetic number, because the mean of its divisors is an integer number (79485).

2³³⁹¹²⁸ is an apocalyptic number.

It is an amenable number.

339128 is a deficient number, since it is larger than the sum of its proper divisors (296752).

339128 is a wasteful number, since it uses less digits than its factorization.

339128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42397 (or 42393 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 339128 is about 582.3469756082. The cubic root of 339128 is about 69.7356012295.

The spelling of 339128 in words is "three hundred thirty-nine thousand, one hundred twenty-eight".