244635985 has 12 divisors (see below), whose sum is σ = 322677684. Its totient is φ = 177916640.

The previous prime is 244635983. The next prime is 244636009. The reversal of 244635985 is 589536442.

244635985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179801281 + 64834704 = 13409^2 + 8052^2 .

It is not a de Polignac number, because 244635985 - 2¹ = 244635983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244635983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201574 + ... + 202783.

It is an arithmetic number, because the mean of its divisors is an integer number (26889807).

Almost surely, 2^244635985 is an apocalyptic number.

It is an amenable number.

244635985 is a deficient number, since it is larger than the sum of its proper divisors (78041699).

244635985 is a wasteful number, since it uses less digits than its factorization.

244635985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404384 (or 404373 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The square root of 244635985 is about 15640.8434874849. The cubic root of 244635985 is about 625.4224216316.

The spelling of 244635985 in words is "two hundred forty-four million, six hundred thirty-five thousand, nine hundred eighty-five".