What is the social security payment base of 3940?

Hello, second gear. File 2: the monthly standard of social insurance payment base is 6233 yuan, the lower limit of individual payment base is 3740 yuan, and the upper limit of individual payment base is 18699 yuan. Huangshi City, Shiyan City, Xiangyang City, Yichang City, Jingmen City, Suizhou City and Enshi Prefecture, the monthly standard of social insurance payment base is 5250 yuan, the lower limit of individual payment base is 2880 yuan, and the upper limit of individual payment base is 15750 yuan.