9728679 has 16 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 6321216.

The previous prime is 9728651. The next prime is 9728681. The reversal of 9728679 is 9768279.

9728679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9728679 - 2⁸ = 9728423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9728639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21942 + ... + 22380.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^9728679 is an apocalyptic number.

9728679 is a deficient number, since it is larger than the sum of its proper divisors (3576921).

9728679 is a wasteful number, since it uses less digits than its factorization.

9728679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614.

The product of its digits is 381024, while the sum is 48.

The square root of 9728679 is about 3119.0830383303. The cubic root of 9728679 is about 213.4770984618.

The spelling of 9728679 in words is "nine million, seven hundred twenty-eight thousand, six hundred seventy-nine".