28 × 55
1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 1000, 1250, 1280, 1600, 2000, 2500, 3125, 3200, 4000, 5000, 6250, 6400, 8000, 10000, 12500, 16000, 20000, 25000, 32000, 40000, 50000, 80000, 100000, 160000, 200000, 400000 and 800000
No.
Its nearest Fibonacci number neighbors are 514229 and 832040.