Program to print minimum digit of a number using while loop in C-language

#include<stdio.h>
int main()
{
    int a,n,min;
    printf("Enter the number\n");
    scanf("%d",&n);
    min=n%10;
    while(n!=0)
    {
        a=n%10;
        n=n/10;
        if(min>a)
        {
            min=a;
        }
    }
    printf("Lowest digit=%d",min);
   
}

OUTPUT
Enter the number
874805
Lowest digit=0