9936869 has 2 divisors, whose sum is σ = 9936870. Its totient is φ = 9936868.

The previous prime is 9936859. The next prime is 9936889. The reversal of 9936869 is 9686399.

9936869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9840769 + 96100 = 3137^2 + 310^2 .

It is an emirp because it is prime and its reverse (9686399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9936869 - 2⁸ = 9936613 is a prime.

It is a super-2 number, since 2×9936869² = 197482731046322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9936859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4968434 + 4968435.

It is an arithmetic number, because the mean of its divisors is an integer number (4968435).

Almost surely, 2^9936869 is an apocalyptic number.

It is an amenable number.

9936869 is a deficient number, since it is larger than the sum of its proper divisors (1).

9936869 is an equidigital number, since it uses as much as digits as its factorization.

9936869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 50.

The square root of 9936869 is about 3152.2799685307. The cubic root of 9936869 is about 214.9891395271.

The spelling of 9936869 in words is "nine million, nine hundred thirty-six thousand, eight hundred sixty-nine".