9688109 has 2 divisors, whose sum is σ = 9688110. Its totient is φ = 9688108.

The previous prime is 9688103. The next prime is 9688111. The reversal of 9688109 is 9018869.

9688109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5866084 + 3822025 = 2422^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 9688109 - 2¹² = 9684013 is a prime.

Together with 9688111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9688103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4844054 + 4844055.

It is an arithmetic number, because the mean of its divisors is an integer number (4844055).

Almost surely, 2^9688109 is an apocalyptic number.

It is an amenable number.

9688109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9688109 is an equidigital number, since it uses as much as digits as its factorization.

9688109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 9688109 is about 3112.5727300739. The cubic root of 9688109 is about 213.1799415461.

The spelling of 9688109 in words is "nine million, six hundred eighty-eight thousand, one hundred nine".