Who called from 3852023071

The number just called. When I answered they sat there and said nothing.

Answered the phone and then no answer

Phone rang I answered no one was there

I answered the phone and a make asked me: "Can I speak to the business owner, please?" and I asked "What is this about?" and he hung up!

Has called me three days in a row at around the same time. When I pick up there is no one there.