There isnt 4 million i think there is around 2.3/2.4 million
Funny how the exact number has not been made clear yet
not hard jesus.

{
"version" : "v2.0.0.0: Experimental",
"protocolversion" : 60013,
"walletversion" : 60000,
"balance" : 0.00990000,
"newmint" : 0.00000000,
"stake" : 0.00000000,
"blocks" : 2476,
"timeoffset" : -38,
"moneysupply" : 2424999.20502321,
"connections" : 11,
"proxy" : "",
"ip" : "212.250.45.85",
"difficulty" : {
"proof-of-work" : 256.64616797,
"proof-of-stake" : 0.00024414
},
"testnet" : false,
"keypoololdest" : 1408269370,
"keypoolsize" : 101,
"paytxfee" : 0.00000000,
"mininput" : 0.00000000,
"errors" : ""
}
if you have a wallet you know how many coins there are.