249708 has 12 divisors (see below), whose sum is σ = 582680. Its totient is φ = 83232.

The previous prime is 249703. The next prime is 249721. The reversal of 249708 is 807942.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (249703) 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, 10393 + ... + 10416.

2²⁴⁹⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

249708 is an abundant number, since it is smaller than the sum of its proper divisors (332972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249708 is a wasteful number, since it uses less digits than its factorization.

249708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20816 (or 20814 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 249708 is about 499.7079146862. The cubic root of 249708 is about 62.9715164765.

The spelling of 249708 in words is "two hundred forty-nine thousand, seven hundred eight".