259798 has 24 divisors (see below), whose sum is σ = 496584. Its totient is φ = 100800.

The previous prime is 259783. The next prime is 259801. The reversal of 259798 is 897952.

It is a self number, because there is not a number n which added to its sum of digits gives 259798.

It is a congruent number.

It is an unprimeable number.

259798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958 + ... + 1198.

It is an arithmetic number, because the mean of its divisors is an integer number (20691).

2²⁵⁹⁷⁹⁸ is an apocalyptic number.

259798 is a deficient number, since it is larger than the sum of its proper divisors (236786).

259798 is a wasteful number, since it uses less digits than its factorization.

259798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 261 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 259798 is about 509.7038355751. The cubic root of 259798 is about 63.8085096566.

The spelling of 259798 in words is "two hundred fifty-nine thousand, seven hundred ninety-eight".