244084639 has 2 divisors, whose sum is σ = 244084640. Its totient is φ = 244084638.

The previous prime is 244084637. The next prime is 244084661. The reversal of 244084639 is 936480442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244084639 - 2¹ = 244084637 is a prime.

Together with 244084637, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244084637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122042319 + 122042320.

It is an arithmetic number, because the mean of its divisors is an integer number (122042320).

Almost surely, 2^244084639 is an apocalyptic number.

244084639 is a deficient number, since it is larger than the sum of its proper divisors (1).

244084639 is an equidigital number, since it uses as much as digits as its factorization.

244084639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 244084639 is about 15623.2083452791. The cubic root of 244084639 is about 624.9522216277.

The spelling of 244084639 in words is "two hundred forty-four million, eighty-four thousand, six hundred thirty-nine".