258834 has 16 divisors (see below), whose sum is σ = 522720. Its totient is φ = 85440.

The previous prime is 258827. The next prime is 258847. The reversal of 258834 is 438852.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258834.

It is an unprimeable number.

258834 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (32670).

2²⁵⁸⁸³⁴ is an apocalyptic number.

258834 is an abundant number, since it is smaller than the sum of its proper divisors (263886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258834 is a wasteful number, since it uses less digits than its factorization.

258834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its digits is 7680, while the sum is 30.

The square root of 258834 is about 508.7573095298. The cubic root of 258834 is about 63.7294897495.

The spelling of 258834 in words is "two hundred fifty-eight thousand, eight hundred thirty-four".