258338 has 4 divisors (see below), whose sum is σ = 387510. Its totient is φ = 129168.

The previous prime is 258337. The next prime is 258353. The reversal of 258338 is 833852.

258338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 253009 + 5329 = 503^2 + 73^2 .

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 258338.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258338.

It is not an unprimeable number, because it can be changed into a prime (258331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64583 + ... + 64586.

2²⁵⁸³³⁸ is an apocalyptic number.

258338 is a deficient number, since it is larger than the sum of its proper divisors (129172).

258338 is a wasteful number, since it uses less digits than its factorization.

258338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129171.

The product of its digits is 5760, while the sum is 29.

The square root of 258338 is about 508.2696134927. The cubic root of 258338 is about 63.6887557403.

The spelling of 258338 in words is "two hundred fifty-eight thousand, three hundred thirty-eight".