244939 has 2 divisors, whose sum is σ = 244940. Its totient is φ = 244938.

The previous prime is 244901. The next prime is 244943. The reversal of 244939 is 939442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244939 is a prime.

It is a super-2 number, since 2×244939² = 119990227442, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244939.

It is not a weakly prime, because it can be changed into another prime (244339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122469 + 122470.

It is an arithmetic number, because the mean of its divisors is an integer number (122470).

2²⁴⁴⁹³⁹ is an apocalyptic number.

244939 is a deficient number, since it is larger than the sum of its proper divisors (1).

244939 is an equidigital number, since it uses as much as digits as its factorization.

244939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 244939 is about 494.9131236894. The cubic root of 244939 is about 62.5680538718.

The spelling of 244939 in words is "two hundred forty-four thousand, nine hundred thirty-nine".