9806109 has 16 divisors (see below), whose sum is σ = 13924800. Its totient is φ = 6120576.

The previous prime is 9806099. The next prime is 9806117. The reversal of 9806109 is 9016089.

It is a happy number.

It is not a de Polignac number, because 9806109 - 2¹¹ = 9804061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9806109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9806189) 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 in 15 ways as a sum of consecutive naturals, for example, 4107 + ... + 6039.

It is an arithmetic number, because the mean of its divisors is an integer number (870300).

Almost surely, 2^9806109 is an apocalyptic number.

It is an amenable number.

9806109 is a deficient number, since it is larger than the sum of its proper divisors (4118691).

9806109 is a wasteful number, since it uses less digits than its factorization.

9806109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 9806109 is about 3131.4707407223. The cubic root of 9806109 is about 214.0419532271.

The spelling of 9806109 in words is "nine million, eight hundred six thousand, one hundred nine".