To find the smallest possible number from the digits $2, 7, 9, 8, 4, 3$, we need to rearrange them in ascending order.

When arranged from smallest to largest:

2, 3, 4, 7, 8, 9

Thus, the smallest possible number is:

234789

Would you like more details or have any questions?

Here are 5 related questions:

1. How would you form the largest possible number with the digits 279843?
2. How many different 6-digit numbers can be made using the digits 2, 7, 9, 8, 4, 3?
3. What would be the smallest number if we excluded the digit 2?
4. Can the number 279843 be divisible by 9?
5. What is the sum of the digits in 279843?

Tip: When arranging numbers, always check if there's a zero. Leading zeros can't be used in the smallest number!