9982729 has 2 divisors, whose sum is σ = 9982730. Its totient is φ = 9982728.

The previous prime is 9982703. The next prime is 9982747. The reversal of 9982729 is 9272899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5475600 + 4507129 = 2340^2 + 2123^2 .

It is an emirp because it is prime and its reverse (9272899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9982729 - 2⁵ = 9982697 is a prime.

It is not a weakly prime, because it can be changed into another prime (9982769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991364 + 4991365.

It is an arithmetic number, because the mean of its divisors is an integer number (4991365).

Almost surely, 2^9982729 is an apocalyptic number.

It is an amenable number.

9982729 is a deficient number, since it is larger than the sum of its proper divisors (1).

9982729 is an equidigital number, since it uses as much as digits as its factorization.

9982729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 9982729 is about 3159.5456951910. The cubic root of 9982729 is about 215.3193667250.

It can be divided in two parts, 99827 and 29, that added together give a square (99856 = 316²).

The spelling of 9982729 in words is "nine million, nine hundred eighty-two thousand, seven hundred twenty-nine".