9638873 has 4 divisors (see below), whose sum is σ = 9755088. Its totient is φ = 9522660.

The previous prime is 9638857. The next prime is 9638891. The reversal of 9638873 is 3788369.

9638873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9638873 - 2⁴ = 9638857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9638773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57983 + ... + 58148.

It is an arithmetic number, because the mean of its divisors is an integer number (2438772).

Almost surely, 2^9638873 is an apocalyptic number.

It is an amenable number.

9638873 is a deficient number, since it is larger than the sum of its proper divisors (116215).

9638873 is a wasteful number, since it uses less digits than its factorization.

9638873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116214.

The product of its digits is 217728, while the sum is 44.

The square root of 9638873 is about 3104.6534428177. The cubic root of 9638873 is about 212.8181936623.

The spelling of 9638873 in words is "nine million, six hundred thirty-eight thousand, eight hundred seventy-three".