249248 has 12 divisors (see below), whose sum is σ = 490770. Its totient is φ = 124608.

The previous prime is 249233. The next prime is 249253. The reversal of 249248 is 842942.

249248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204304 + 44944 = 452^2 + 212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 249248.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249248.

It is an unprimeable number.

249248 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 as a sum of consecutive naturals, namely, 3863 + ... + 3926.

2²⁴⁹²⁴⁸ is an apocalyptic number.

It is an amenable number.

249248 is a deficient number, since it is larger than the sum of its proper divisors (241522).

249248 is an equidigital number, since it uses as much as digits as its factorization.

249248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799 (or 7791 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 249248 is about 499.2474336439. The cubic root of 249248 is about 62.9328250142.

The spelling of 249248 in words is "two hundred forty-nine thousand, two hundred forty-eight".