259598 has 8 divisors (see below), whose sum is σ = 391608. Its totient is φ = 129064.

The previous prime is 259583. The next prime is 259603. The reversal of 259598 is 895952.

It is a happy number.

259598 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×259598² = 134782243208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (48951).

2²⁵⁹⁵⁹⁸ is an apocalyptic number.

259598 is a deficient number, since it is larger than the sum of its proper divisors (132010).

259598 is a wasteful number, since it uses less digits than its factorization.

259598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its digits is 32400, while the sum is 38.

The square root of 259598 is about 509.5076054388. The cubic root of 259598 is about 63.7921315755.

Subtracting from 259598 its sum of digits (38), we obtain a triangular number (259560 = T₇₂₀).

The spelling of 259598 in words is "two hundred fifty-nine thousand, five hundred ninety-eight".