During his early days of crime fighting, Al Pratt possessed no metahuman qualities. Instead, he is a formidable boxer, expert physicist, and superb athlete. After being bombarded by Cyclotron's energies, Pratt gained immense strength, stamina, durability, and speed, as well as the ability to focus radioactive energy into a punch. In addition, the Atom has resistance to certain types of radiation. He also gained eternal youth after the battle with Ian Karkull.