249854 has 16 divisors (see below), whose sum is σ = 420336. Its totient is φ = 110400.

The previous prime is 249853. The next prime is 249857. The reversal of 249854 is 458942.

249854 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 249854.

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 249854.

It is not an unprimeable number, because it can be changed into a prime (249853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (26271).

2²⁴⁹⁸⁵⁴ is an apocalyptic number.

249854 is a deficient number, since it is larger than the sum of its proper divisors (170482).

249854 is a wasteful number, since it uses less digits than its factorization.

249854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its digits is 11520, while the sum is 32.

The square root of 249854 is about 499.8539786778. The cubic root of 249854 is about 62.9837868752.

It can be divided in two parts, 2498 and 54, that added together give a palindrome (2552).

The spelling of 249854 in words is "two hundred forty-nine thousand, eight hundred fifty-four".