249916 has 12 divisors (see below), whose sum is σ = 447832. Its totient is φ = 121968.

The previous prime is 249911. The next prime is 249923. The reversal of 249916 is 619942.

It is a happy number.

249916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249911) by changing a digit.

249916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555 + ... + 898.

2²⁴⁹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

249916 is a deficient number, since it is larger than the sum of its proper divisors (197916).

249916 is a wasteful number, since it uses less digits than its factorization.

249916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1498 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 249916 is about 499.9159929428. The cubic root of 249916 is about 62.9889961465.

The spelling of 249916 in words is "two hundred forty-nine thousand, nine hundred sixteen".