9679911 has 8 divisors (see below), whose sum is σ = 13585920. Its totient is φ = 6113592.

The previous prime is 9679909. The next prime is 9679913. The reversal of 9679911 is 1199769.

9679911 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9679909) and next prime (9679913).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9679911 - 2¹ = 9679909 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

9679911 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9679913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84855 + ... + 84968.

It is an arithmetic number, because the mean of its divisors is an integer number (1698240).

Almost surely, 2^9679911 is an apocalyptic number.

9679911 is a deficient number, since it is larger than the sum of its proper divisors (3906009).

9679911 is a wasteful number, since it uses less digits than its factorization.

9679911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169845.

The product of its digits is 30618, while the sum is 42.

The square root of 9679911 is about 3111.2555343462. The cubic root of 9679911 is about 213.1197941929.

It can be divided in two parts, 967 and 9911, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 9679911 in words is "nine million, six hundred seventy-nine thousand, nine hundred eleven".