259928 has 8 divisors (see below), whose sum is σ = 487380. Its totient is φ = 129960.

The previous prime is 259907. The next prime is 259933. The reversal of 259928 is 829952.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16238 + ... + 16253.

2²⁵⁹⁹²⁸ is an apocalyptic number.

It is an amenable number.

259928 is a deficient number, since it is larger than the sum of its proper divisors (227452).

259928 is a wasteful number, since it uses less digits than its factorization.

259928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32497 (or 32493 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 259928 is about 509.8313446621. The cubic root of 259928 is about 63.8191509023.

It can be divided in two parts, 25992 and 8, that multiplied together give a square (207936 = 456²).

The spelling of 259928 in words is "two hundred fifty-nine thousand, nine hundred twenty-eight".