258872 has 8 divisors (see below), whose sum is σ = 485400. Its totient is φ = 129432.

The previous prime is 258871. The next prime is 258887. The reversal of 258872 is 278852.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258871) 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, 16172 + ... + 16187.

It is an arithmetic number, because the mean of its divisors is an integer number (60675).

2²⁵⁸⁸⁷² is an apocalyptic number.

It is an amenable number.

258872 is a deficient number, since it is larger than the sum of its proper divisors (226528).

258872 is a wasteful number, since it uses less digits than its factorization.

258872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32365 (or 32361 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 258872 is about 508.7946540600. The cubic root of 258872 is about 63.7326083533.

Subtracting from 258872 its sum of digits (32), we obtain a triangular number (258840 = T₇₁₉).

The spelling of 258872 in words is "two hundred fifty-eight thousand, eight hundred seventy-two".