244569985 has 16 divisors (see below), whose sum is σ = 323341632. Its totient is φ = 176104000.

The previous prime is 244569979. The next prime is 244569989. The reversal of 244569985 is 589965442.

It is not a de Polignac number, because 244569985 - 2⁹ = 244569473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244569989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16459 + ... + 27568.

It is an arithmetic number, because the mean of its divisors is an integer number (20208852).

Almost surely, 2^244569985 is an apocalyptic number.

It is an amenable number.

244569985 is a deficient number, since it is larger than the sum of its proper divisors (78771647).

244569985 is a wasteful number, since it uses less digits than its factorization.

244569985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44144.

The product of its digits is 3110400, while the sum is 52.

The square root of 244569985 is about 15638.7334845249. The cubic root of 244569985 is about 625.3661726263.

The spelling of 244569985 in words is "two hundred forty-four million, five hundred sixty-nine thousand, nine hundred eighty-five".