Play games with number

1234567
Across
  1. 2. largest nine digit number
  2. 3. sum of place value and face value of 3 in 82345
  3. 6. place value of 8 in 678097645
  4. 7. sum of place value and face value of 6 in 326954
Down
  1. 1. Sixty nine crore eighty three lakh two thousand one hundred seventy
  2. 4. three lakh two thousand four
  3. 5. what is half of smallest 5 digit number