Does the number 4000 ward off evil spirits?

Warning against evil spirits.

After consulting the official website of the Zhouyi, it was found that the number 4000 is the basic content of the Yi study. A Zhouyi is all about the number, and the Zhouyi uses the number to form symbols and formulas.

The number 4000 has a very good meaning in Feng Shui. We solemnly declare that the content of this answer is for reference only, please do not be blindly superstitious.