Is 340 a even number

YES!!!!

Any number that ends/terminates in 0,2,4,6,or 8. is an even number.

Hence 340 ends in '0' so it is even.

1,000,000 (One million) is even , it ends in '0'

1,000,001 is ODD as it does not end in 0,2,4,6, or 8.