9929689 has 16 divisors (see below), whose sum is σ = 12672000. Its totient is φ = 7554960.

The previous prime is 9929663. The next prime is 9929693. The reversal of 9929689 is 9869299.

It is not a de Polignac number, because 9929689 - 2⁹ = 9929177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9929659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812 + ... + 4810.

It is an arithmetic number, because the mean of its divisors is an integer number (792000).

Almost surely, 2^9929689 is an apocalyptic number.

It is an amenable number.

9929689 is a deficient number, since it is larger than the sum of its proper divisors (2742311).

9929689 is a wasteful number, since it uses less digits than its factorization.

9929689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its digits is 629856, while the sum is 52.

The square root of 9929689 is about 3151.1409044979. The cubic root of 9929689 is about 214.9373460847.

The spelling of 9929689 in words is "nine million, nine hundred twenty-nine thousand, six hundred eighty-nine".