249946 has 8 divisors (see below), whose sum is σ = 383040. Its totient is φ = 122268.

The previous prime is 249943. The next prime is 249947. The reversal of 249946 is 649942.

249946 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249943) 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, 1236 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2²⁴⁹⁹⁴⁶ is an apocalyptic number.

249946 is a deficient number, since it is larger than the sum of its proper divisors (133094).

249946 is a wasteful number, since it uses less digits than its factorization.

249946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708.

The product of its digits is 15552, while the sum is 34.

The square root of 249946 is about 499.9459970837. The cubic root of 249946 is about 62.9915164524.

The spelling of 249946 in words is "two hundred forty-nine thousand, nine hundred forty-six".