258894 has 24 divisors (see below), whose sum is σ = 591240. Its totient is φ = 81648.

The previous prime is 258887. The next prime is 258917. The reversal of 258894 is 498852.

It is a super-2 number, since 2×258894² = 134052206472, which contains 22 as substring.

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 258894.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37 + ... + 720.

It is an arithmetic number, because the mean of its divisors is an integer number (24635).

2²⁵⁸⁸⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295620).

258894 is an abundant number, since it is smaller than the sum of its proper divisors (332346).

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

258894 is a wasteful number, since it uses less digits than its factorization.

258894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 781 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 258894 is about 508.8162733247. The cubic root of 258894 is about 63.7344137213.

The spelling of 258894 in words is "two hundred fifty-eight thousand, eight hundred ninety-four".