244923839 has 4 divisors (see below), whose sum is σ = 252824640. Its totient is φ = 237023040.

The previous prime is 244923797. The next prime is 244923841. The reversal of 244923839 is 938329442.

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 244923839 - 2¹² = 244919743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244923839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244923869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3950354 + ... + 3950415.

It is an arithmetic number, because the mean of its divisors is an integer number (63206160).

Almost surely, 2^244923839 is an apocalyptic number.

244923839 is a deficient number, since it is larger than the sum of its proper divisors (7900801).

244923839 is an equidigital number, since it uses as much as digits as its factorization.

244923839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900800.

The product of its digits is 373248, while the sum is 44.

The square root of 244923839 is about 15650.0427794942. The cubic root of 244923839 is about 625.6676291934.

The spelling of 244923839 in words is "two hundred forty-four million, nine hundred twenty-three thousand, eight hundred thirty-nine".