Apuleius' "Metamorphoses" is probably the oldest complete novel known. It is from the second century, so much older than the novels you mention. And it is still

Apuleius' "Metamorphoses" is probably the oldest complete novel known. It is from the second century, so much older than the novels you mention. And it is still read - at least I read it a few years ago in translation and found it hilarious and fascinating.