258236 has 12 divisors (see below), whose sum is σ = 493080. Its totient is φ = 117360.

The previous prime is 258233. The next prime is 258241. The reversal of 258236 is 632852.

It is a d-powerful number, because it can be written as 2⁴ + 5⁴ + 2¹⁰ + 8⁵ + 3¹¹ + 6⁶ .

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 258236.

It is not an unprimeable number, because it can be changed into a prime (258233) 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, 2891 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (41090).

2²⁵⁸²³⁶ is an apocalyptic number.

It is an amenable number.

258236 is a deficient number, since it is larger than the sum of its proper divisors (234844).

258236 is a wasteful number, since it uses less digits than its factorization.

258236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884 (or 5882 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 258236 is about 508.1692631398. The cubic root of 258236 is about 63.6803725263.

It can be divided in two parts, 258 and 236, that added together give a palindrome (494).

The spelling of 258236 in words is "two hundred fifty-eight thousand, two hundred thirty-six".