how to get each digit of a number

1int number; // = some int
2
3while (number > 0) {
4    print( number % 10);
5    number = number / 10;
6}
7

1sumOfDigit(n):
2	sum = 0
3    temp = 0
4    while n >= 1:
5    	# temmp % 10 to get the rightmost digit
6    	temp =  n % 10
7        sum += temp
8        # n // 10 to get the the rest of digit except rightmost digit (198 // 10 = 19)
9        n //= 10
10