244628839 has 16 divisors (see below), whose sum is σ = 301698880. Its totient is φ = 193155840.

The previous prime is 244628831. The next prime is 244628873. The reversal of 244628839 is 938826442.

It is a cyclic number.

It is not a de Polignac number, because 244628839 - 2³ = 244628831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244628831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46747 + ... + 51715.

It is an arithmetic number, because the mean of its divisors is an integer number (18856180).

Almost surely, 2^244628839 is an apocalyptic number.

244628839 is a deficient number, since it is larger than the sum of its proper divisors (57070041).

244628839 is a wasteful number, since it uses less digits than its factorization.

244628839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530.

The product of its digits is 663552, while the sum is 46.

The square root of 244628839 is about 15640.6150454514. The cubic root of 244628839 is about 625.4163318868.

The spelling of 244628839 in words is "two hundred forty-four million, six hundred twenty-eight thousand, eight hundred thirty-nine".