244868686 has 16 divisors (see below), whose sum is σ = 370591200. Its totient is φ = 121342240.

The previous prime is 244868683. The next prime is 244868699. The reversal of 244868686 is 686868442.

244868686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244868681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236991 + ... + 238021.

It is an arithmetic number, because the mean of its divisors is an integer number (23161950).

Almost surely, 2^244868686 is an apocalyptic number.

244868686 is a deficient number, since it is larger than the sum of its proper divisors (125722514).

244868686 is a wasteful number, since it uses less digits than its factorization.

244868686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its digits is 3538944, while the sum is 52.

The square root of 244868686 is about 15648.2806084247. The cubic root of 244868686 is about 625.6206621615.

The spelling of 244868686 in words is "two hundred forty-four million, eight hundred sixty-eight thousand, six hundred eighty-six".