497663
497663 is a number that falls within the range of 497,000 to 498,000. It is an odd number, as it is not divisible by 2. In base 10, it is written as 497,663. In scientific notation, it is expressed as 4.97663 x 10^5. The number 497663 is also known as a Harshad number, or Niven number, because it is divisible by the sum of its digits (4 + 9 + 7 + 6 + 6 + 3 = 35). It is not a prime number, as it has factors other than 1 and itself. The prime factorization of 497663 is 35 x 14193. The number 497663 is also a palindromic number in base 10, as it reads the same forwards and backwards. In Roman numerals, 497663 is represented as CDXCVIIDCXLVII. The number 497663 is also known as a perfect totient number, as the sum of the totients of its divisors equals the number itself.