249844 has 12 divisors (see below), whose sum is σ = 499744. Its totient is φ = 107064.

The previous prime is 249833. The next prime is 249853. The reversal of 249844 is 448942.

249844 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4434 + ... + 4489.

2²⁴⁹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

249844 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.

249844 is a wasteful number, since it uses less digits than its factorization.

249844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8934 (or 8932 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 249844 is about 499.8439756564. The cubic root of 249844 is about 62.9829465894.

The spelling of 249844 in words is "two hundred forty-nine thousand, eight hundred forty-four".