258387 has 8 divisors (see below), whose sum is σ = 352704. Its totient is φ = 168168.

The previous prime is 258373. The next prime is 258389. The reversal of 258387 is 783852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258387 - 2⁸ = 258131 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 5⁶ + 3¹¹ + 8 + 8² + 7 .

It is an alternating number because its digits alternate between even and odd.

258387 is a modest number, since divided by 387 gives 258 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258387.

It is not an unprimeable number, because it can be changed into a prime (258389) 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 7 ways as a sum of consecutive naturals, for example, 873 + ... + 1130.

It is an arithmetic number, because the mean of its divisors is an integer number (44088).

2²⁵⁸³⁸⁷ is an apocalyptic number.

258387 is a deficient number, since it is larger than the sum of its proper divisors (94317).

258387 is a wasteful number, since it uses less digits than its factorization.

258387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049.

The product of its digits is 13440, while the sum is 33.

The square root of 258387 is about 508.3178139707. The cubic root of 258387 is about 63.6927821860.

The spelling of 258387 in words is "two hundred fifty-eight thousand, three hundred eighty-seven".