259899 has 8 divisors (see below), whose sum is σ = 355152. Its totient is φ = 168960.

The previous prime is 259867. The next prime is 259907. The reversal of 259899 is 998952.

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

It is not a de Polignac number, because 259899 - 2⁵ = 259867 is a prime.

259899 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 259899.

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, 934 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (44394).

2²⁵⁹⁸⁹⁹ is an apocalyptic number.

259899 is a deficient number, since it is larger than the sum of its proper divisors (95253).

259899 is a wasteful number, since it uses less digits than its factorization.

259899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157.

The product of its digits is 58320, while the sum is 42.

The square root of 259899 is about 509.8029030910. The cubic root of 259899 is about 63.8167773934.

The spelling of 259899 in words is "two hundred fifty-nine thousand, eight hundred ninety-nine".