245886 has 16 divisors (see below), whose sum is σ = 497664. Its totient is φ = 80984.

The previous prime is 245881. The next prime is 245897. The reversal of 245886 is 688542.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245886.

It is not an unprimeable number, because it can be changed into a prime (245881) by changing a digit.

245886 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451 + ... + 833.

It is an arithmetic number, because the mean of its divisors is an integer number (31104).

2²⁴⁵⁸⁸⁶ is an apocalyptic number.

245886 is an abundant number, since it is smaller than the sum of its proper divisors (251778).

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

245886 is a wasteful number, since it uses less digits than its factorization.

245886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its digits is 15360, while the sum is 33.

The square root of 245886 is about 495.8689342962. The cubic root of 245886 is about 62.6485851460.

The spelling of 245886 in words is "two hundred forty-five thousand, eight hundred eighty-six".