244015889 has 12 divisors (see below), whose sum is σ = 273347100. Its totient is φ = 217473984.

The previous prime is 244015873. The next prime is 244015897. The reversal of 244015889 is 988510442.

It can be written as a sum of positive squares in 6 ways, for example, as 64000000 + 180015889 = 8000^2 + 13417^2 .

It is not a de Polignac number, because 244015889 - 2⁴ = 244015873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244015829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19994 + ... + 29795.

It is an arithmetic number, because the mean of its divisors is an integer number (22778925).

Almost surely, 2^244015889 is an apocalyptic number.

244015889 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

244015889 is a deficient number, since it is larger than the sum of its proper divisors (29331211).

244015889 is a wasteful number, since it uses less digits than its factorization.

244015889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49844 (or 49831 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 244015889 is about 15621.0079380301. The cubic root of 244015889 is about 624.8935404806.

The spelling of 244015889 in words is "two hundred forty-four million, fifteen thousand, eight hundred eighty-nine".