On January 1, 2018, Vaughn Manufacturing had 379000 shares of its $2 par value common stock outstanding. On March 1, Vaughn sold an additional 742000 shares on the open market at $20 per share. Vaughn issued a 20% stock dividend on May 1. On August 1, Vaughn purchased 410000 shares and immediately retired the stock. On November 1, 594000 shares were sold for $25 per share. What is the weighted-average number of shares outstanding for 2018? (Rounded to the nearest dollar.)