9982169 has 2 divisors, whose sum is σ = 9982170. Its totient is φ = 9982168.

The previous prime is 9982139. The next prime is 9982171. The reversal of 9982169 is 9612899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 1658944 = 2885^2 + 1288^2 .

It is an emirp because it is prime and its reverse (9612899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9982169 - 2⁸ = 9981913 is a prime.

It is a super-2 number, since 2×9982169² = 199287395889122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 9982171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9982139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991084 + 4991085.

It is an arithmetic number, because the mean of its divisors is an integer number (4991085).

Almost surely, 2^9982169 is an apocalyptic number.

It is an amenable number.

9982169 is a deficient number, since it is larger than the sum of its proper divisors (1).

9982169 is an equidigital number, since it uses as much as digits as its factorization.

9982169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 44.

The square root of 9982169 is about 3159.4570736125. The cubic root of 9982169 is about 215.3153404011.

The spelling of 9982169 in words is "nine million, nine hundred eighty-two thousand, one hundred sixty-nine".