259889 has 8 divisors (see below), whose sum is σ = 300288. Its totient is φ = 220320.

The previous prime is 259867. The next prime is 259907. The reversal of 259889 is 988952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 259889 - 2¹⁶ = 194353 is a prime.

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 259889.

It is not an unprimeable number, because it can be changed into a prime (259829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824 + ... + 1094.

It is an arithmetic number, because the mean of its divisors is an integer number (37536).

2²⁵⁹⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

259889 is a deficient number, since it is larger than the sum of its proper divisors (40399).

259889 is a wasteful number, since it uses less digits than its factorization.

259889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its digits is 51840, while the sum is 41.

The square root of 259889 is about 509.7930952847. The cubic root of 259889 is about 63.8159589012.

The spelling of 259889 in words is "two hundred fifty-nine thousand, eight hundred eighty-nine".