249908 has 6 divisors (see below), whose sum is σ = 437346. Its totient is φ = 124952.

The previous prime is 249881. The next prime is 249911. The reversal of 249908 is 809942.

249908 is digitally balanced in base 3, 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., 178084 + 71824 = 422^2 + 268^2 .

It is a plaindrome in base 13.

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 249908.

It is an unprimeable number.

249908 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, 31235 + ... + 31242.

It is an arithmetic number, because the mean of its divisors is an integer number (72891).

2²⁴⁹⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

249908 is a deficient number, since it is larger than the sum of its proper divisors (187438).

249908 is a wasteful number, since it uses less digits than its factorization.

249908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62481 (or 62479 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 249908 is about 499.9079915344. The cubic root of 249908 is about 62.9883240309.

The spelling of 249908 in words is "two hundred forty-nine thousand, nine hundred eight".