249846 has 8 divisors (see below), whose sum is σ = 499704. Its totient is φ = 83280.

The previous prime is 249833. The next prime is 249853. The reversal of 249846 is 648942.

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

249846 is an admirable number.

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 249846.

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, 20815 + ... + 20826.

It is an arithmetic number, because the mean of its divisors is an integer number (62463).

2²⁴⁹⁸⁴⁶ is an apocalyptic number.

249846 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.

249846 is a wasteful number, since it uses less digits than its factorization.

249846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41646.

The product of its digits is 13824, while the sum is 33.

The square root of 249846 is about 499.8459762767. The cubic root of 249846 is about 62.9831146484.

It can be divided in two parts, 24 and 9846, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 249846 in words is "two hundred forty-nine thousand, eight hundred forty-six".