258992 has 10 divisors (see below), whose sum is σ = 501828. Its totient is φ = 129488.

The previous prime is 258991. The next prime is 259001. The reversal of 258992 is 299852.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258992.

It is not an unprimeable number, because it can be changed into a prime (258991) by changing a digit.

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 as a sum of consecutive naturals, namely, 8078 + ... + 8109.

2²⁵⁸⁹⁹² is an apocalyptic number.

It is an amenable number.

258992 is a deficient number, since it is larger than the sum of its proper divisors (242836).

258992 is a wasteful number, since it uses less digits than its factorization.

258992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16195 (or 16189 counting only the distinct ones).

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

The square root of 258992 is about 508.9125661644. The cubic root of 258992 is about 63.7424545728.

The spelling of 258992 in words is "two hundred fifty-eight thousand, nine hundred ninety-two".