244989965 has 16 divisors (see below), whose sum is σ = 328539456. Its totient is φ = 173827200.

The previous prime is 244989959. The next prime is 244989967. The reversal of 244989965 is 569989442.

It is a happy number.

It is not a de Polignac number, because 244989965 - 2¹² = 244985869 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 244989965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244989967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52067 + ... + 56576.

It is an arithmetic number, because the mean of its divisors is an integer number (20533716).

Almost surely, 2^244989965 is an apocalyptic number.

It is an amenable number.

244989965 is a deficient number, since it is larger than the sum of its proper divisors (83549491).

244989965 is a wasteful number, since it uses less digits than its factorization.

244989965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108700.

The product of its digits is 5598720, while the sum is 56.

The square root of 244989965 is about 15652.1552828995. The cubic root of 244989965 is about 625.7239312872.

The spelling of 244989965 in words is "two hundred forty-four million, nine hundred eighty-nine thousand, nine hundred sixty-five".