250086 has 8 divisors (see below), whose sum is σ = 500184. Its totient is φ = 83360.

The previous prime is 250073. The next prime is 250091. The reversal of 250086 is 680052.

It is a happy number.

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

250086 is an admirable number.

It is a super-4 number, since 4×250086⁴ (a number of 23 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20835 + ... + 20846.

It is an arithmetic number, because the mean of its divisors is an integer number (62523).

250086 is a Friedman number, since it can be written as 500^2+86, using all its digits and the basic arithmetic operations.

2²⁵⁰⁰⁸⁶ is an apocalyptic number.

250086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250086 is a wasteful number, since it uses less digits than its factorization.

250086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41686.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 250086 is about 500.0859926053. The cubic root of 250086 is about 63.0032752140.

The spelling of 250086 in words is "two hundred fifty thousand, eighty-six".