258890 has 8 divisors (see below), whose sum is σ = 466020. Its totient is φ = 103552.

The previous prime is 258887. The next prime is 258917. The reversal of 258890 is 98852.

It can be written as a sum of positive squares in 2 ways, for example, as 247009 + 11881 = 497^2 + 109^2 .

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

It is an unprimeable number.

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, 12935 + ... + 12954.

2²⁵⁸⁸⁹⁰ is an apocalyptic number.

258890 is a deficient number, since it is larger than the sum of its proper divisors (207130).

258890 is a wasteful number, since it uses less digits than its factorization.

258890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25896.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 258890 is about 508.8123426176. The cubic root of 258890 is about 63.7340854802.

The spelling of 258890 in words is "two hundred fifty-eight thousand, eight hundred ninety".