258492 has 24 divisors (see below), whose sum is σ = 649936. Its totient is φ = 79488.

The previous prime is 258491. The next prime is 258499. The reversal of 258492 is 294852.

It is a super-2 number, since 2×258492² = 133636228128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258492.

It is not an unprimeable number, because it can be changed into a prime (258491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673 + ... + 984.

2²⁵⁸⁴⁹² is an apocalyptic number.

It is an amenable number.

258492 is an abundant number, since it is smaller than the sum of its proper divisors (391444).

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

258492 is a wasteful number, since it uses less digits than its factorization.

258492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1675 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 258492 is about 508.4210853220. The cubic root of 258492 is about 63.7014085700.

The spelling of 258492 in words is "two hundred fifty-eight thousand, four hundred ninety-two".