250878 has 8 divisors (see below), whose sum is σ = 501768. Its totient is φ = 83624.

The previous prime is 250871. The next prime is 250889. The reversal of 250878 is 878052.

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

250878 is an admirable 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 250878.

It is not an unprimeable number, because it can be changed into a prime (250871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20901 + ... + 20912.

It is an arithmetic number, because the mean of its divisors is an integer number (62721).

2²⁵⁰⁸⁷⁸ is an apocalyptic number.

250878 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.

250878 is a wasteful number, since it uses less digits than its factorization.

250878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41818.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 250878 is about 500.8772304667. The cubic root of 250878 is about 63.0697137080.

It can be divided in two parts, 250 and 878, that added together give a triangular number (1128 = T₄₇).

The spelling of 250878 in words is "two hundred fifty thousand, eight hundred seventy-eight".