259844 has 24 divisors (see below), whose sum is σ = 517440. Its totient is φ = 113184.

The previous prime is 259841. The next prime is 259867. The reversal of 259844 is 448952.

259844 = T₁₂ + T₁₃ + ... + T₁₁₅.

It is a self number, because there is not a number n which added to its sum of digits gives 259844.

It is not an unprimeable number, because it can be changed into a prime (259841) 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, 857 + ... + 1119.

It is an arithmetic number, because the mean of its divisors is an integer number (21560).

259844 is a Friedman number, since it can be written as 4+(4^5-9)*2^8, using all its digits and the basic arithmetic operations.

2²⁵⁹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

259844 is a deficient number, since it is larger than the sum of its proper divisors (257596).

259844 is a wasteful number, since it uses less digits than its factorization.

259844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 259844 is about 509.7489578214. The cubic root of 259844 is about 63.8122754261.

The spelling of 259844 in words is "two hundred fifty-nine thousand, eight hundred forty-four".