244366681 has 8 divisors (see below), whose sum is σ = 265494600. Its totient is φ = 223571712.

The previous prime is 244366679. The next prime is 244366709. The reversal of 244366681 is 186663442.

It can be written as a sum of positive squares in 4 ways, for example, as 9511056 + 234855625 = 3084^2 + 15325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244366681 - 2¹ = 244366679 is a prime.

It is a super-2 number, since 2×244366681² = 119430149565911522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244366631) 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, 81706 + ... + 84643.

It is an arithmetic number, because the mean of its divisors is an integer number (33186825).

Almost surely, 2^244366681 is an apocalyptic number.

It is an amenable number.

244366681 is a deficient number, since it is larger than the sum of its proper divisors (21127919).

244366681 is a wasteful number, since it uses less digits than its factorization.

244366681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166475.

The product of its digits is 165888, while the sum is 40.

The square root of 244366681 is about 15632.2321182869. The cubic root of 244366681 is about 625.1928416133.

The spelling of 244366681 in words is "two hundred forty-four million, three hundred sixty-six thousand, six hundred eighty-one".