Who called from 3478789967

Caller had heavy accent, identified himself as "Jake" from some securities firm, when asked where he got my number, he hung up on my.

A man with a heavy accent, couldn't understand him, but he had personal info about me.  I don't know what is going on

Just got the same call from the same number, same voice as you described. Don't know what's going on.

Received a call from this number on my cell, didn't recognize the number, didn't answer the call, found this number on this site, number now blocked on my iPhone6