244439 has 4 divisors (see below), whose sum is σ = 263256. Its totient is φ = 225624.

The previous prime is 244429. The next prime is 244451. The reversal of 244439 is 934442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244439 - 2⁴ = 244423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9389 + ... + 9414.

It is an arithmetic number, because the mean of its divisors is an integer number (65814).

2²⁴⁴⁴³⁹ is an apocalyptic number.

244439 is a deficient number, since it is larger than the sum of its proper divisors (18817).

244439 is a wasteful number, since it uses less digits than its factorization.

244439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18816.

The product of its digits is 3456, while the sum is 26.

The square root of 244439 is about 494.4077264768. The cubic root of 244439 is about 62.5254509679.

The spelling of 244439 in words is "two hundred forty-four thousand, four hundred thirty-nine".