Seven vendors provide three-point estimates for the construction of a data warehouse at Empirix Trading. The average optimistic cost estimate is $1,378,876 while the average pessimistic estimate is $3,556,143. The average of the best guess estimates are $1,786,552. What is wide-band Delphi estimate for the construction cost rounded to the nearest dollar? Enter the number below without any punctuation or text, e.g., 9334999.