339989 has 4 divisors (see below), whose sum is σ = 366156. Its totient is φ = 313824.

The previous prime is 339959. The next prime is 339991. The reversal of 339989 is 989933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46225 + 293764 = 215^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 339989 - 2¹² = 335893 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 339989.

It is not an unprimeable number, because it can be changed into a prime (339959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13064 + ... + 13089.

It is an arithmetic number, because the mean of its divisors is an integer number (91539).

2³³⁹⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

339989 is a deficient number, since it is larger than the sum of its proper divisors (26167).

339989 is a wasteful number, since it uses less digits than its factorization.

339989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26166.

The product of its digits is 52488, while the sum is 41.

The square root of 339989 is about 583.0857569861. The cubic root of 339989 is about 69.7945677663.

The spelling of 339989 in words is "three hundred thirty-nine thousand, nine hundred eighty-nine".