258788 has 12 divisors (see below), whose sum is σ = 467712. Its totient is φ = 125160.

The previous prime is 258787. The next prime is 258803. The reversal of 258788 is 887852.

It is a d-powerful number, because it can be written as 2¹⁷ + 5⁷ + 7⁵ + 8 + 8 + 8⁵ .

It is not an unprimeable number, because it can be changed into a prime (258787) 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 in 3 ways as a sum of consecutive naturals, for example, 920 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (38976).

2²⁵⁸⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

258788 is a deficient number, since it is larger than the sum of its proper divisors (208924).

258788 is a wasteful number, since it uses less digits than its factorization.

258788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2120 counting only the distinct ones).

The product of its digits is 35840, while the sum is 38.

The square root of 258788 is about 508.7120993253. The cubic root of 258788 is about 63.7257141891.

The spelling of 258788 in words is "two hundred fifty-eight thousand, seven hundred eighty-eight".