C++ Get any digit of a number

#include<iostream>
using namespace std;
int digitgetter(long int &num,int dig) {
	int rem, rev = 0;
	int num1 = num;
	while (num1 != 0) {
		rem = num1 % 10;
		rev = rev * 10 + rem;
		num1 /= 10;
	}
	int i = 0;
	while (i< dig) {
		rem = rev % 10;
		rev /= 10;
		i++;
	}
	return rem;
}
int main() {
	long int a = 9836352;
	cout <<a<<endl<<digitgetter(a,1);
	return 0;
}