249938 has 8 divisors (see below), whose sum is σ = 403788. Its totient is φ = 115344.

The previous prime is 249923. The next prime is 249943. The reversal of 249938 is 839942.

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 6889 = 493^2 + 83^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 249898 and 249907.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249938.

It is an unprimeable number.

249938 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, 4781 + ... + 4832.

2²⁴⁹⁹³⁸ is an apocalyptic number.

249938 is a deficient number, since it is larger than the sum of its proper divisors (153850).

249938 is a wasteful number, since it uses less digits than its factorization.

249938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9628.

The product of its digits is 15552, while the sum is 35.

The square root of 249938 is about 499.9379961555. The cubic root of 249938 is about 62.9908443905.

The spelling of 249938 in words is "two hundred forty-nine thousand, nine hundred thirty-eight".