Ss numbers about numbers?

Short answer: not really.

Longer answer: it’s called Numbers because of two censuses near the beginning and the end — headcounts of the people. That’s it. That’s where the name comes from.

But the book itself isn’t about maths or statistics. It’s about wandering.

Most of Numbers is stories about what happens between Egypt and the promised land: complaining, fear, leadership strain, bad decisions, second chances, and a very long delay caused mostly by mistrust. The numbers are just a framing device to show time passing and generations changing.

In the original Hebrew, the book isn’t even called Numbers. It’s called “In the Wilderness”, which honestly fits much better.

So if you read it expecting spreadsheets, you’ll be confused.
If you read it expecting a very human story about getting stuck halfway, it makes a lot more sense.