258628 has 24 divisors (see below), whose sum is σ = 493920. Its totient is φ = 118080.

The previous prime is 258623. The next prime is 258631. The reversal of 258628 is 826852.

258628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 258628.

It is not an unprimeable number, because it can be changed into a prime (258623) 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, 3075 + ... + 3157.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2²⁵⁸⁶²⁸ is an apocalyptic number.

It is an amenable number.

258628 is a deficient number, since it is larger than the sum of its proper divisors (235292).

258628 is a wasteful number, since it uses less digits than its factorization.

258628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 145 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 258628 is about 508.5548151380. The cubic root of 258628 is about 63.7125783195.

The spelling of 258628 in words is "two hundred fifty-eight thousand, six hundred twenty-eight".