259839 has 6 divisors (see below), whose sum is σ = 375336. Its totient is φ = 173220.

The previous prime is 259837. The next prime is 259841. The reversal of 259839 is 938952.

259839 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (259837) and next prime (259841).

It is not a de Polignac number, because 259839 - 2¹ = 259837 is a prime.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14427 + ... + 14444.

It is an arithmetic number, because the mean of its divisors is an integer number (62556).

2²⁵⁹⁸³⁹ is an apocalyptic number.

259839 is a deficient number, since it is larger than the sum of its proper divisors (115497).

259839 is a wasteful number, since it uses less digits than its factorization.

259839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28877 (or 28874 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 259839 is about 509.7440534229. The cubic root of 259839 is about 63.8118661249.

The spelling of 259839 in words is "two hundred fifty-nine thousand, eight hundred thirty-nine".