9982681 has 2 divisors, whose sum is σ = 9982682. Its totient is φ = 9982680.

The previous prime is 9982673. The next prime is 9982697. The reversal of 9982681 is 1862899.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7371225 + 2611456 = 2715^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 9982681 - 2³ = 9982673 is a prime.

It is a super-2 number, since 2×9982681² = 199307839895522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9982601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991340 + 4991341.

It is an arithmetic number, because the mean of its divisors is an integer number (4991341).

Almost surely, 2^9982681 is an apocalyptic number.

It is an amenable number.

9982681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9982681 is an equidigital number, since it uses as much as digits as its factorization.

9982681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 43.

The square root of 9982681 is about 3159.5380991531. The cubic root of 9982681 is about 215.3190216174.

The spelling of 9982681 in words is "nine million, nine hundred eighty-two thousand, six hundred eighty-one".