490803 has 4 divisors (see below), whose sum is σ = 654408. Its totient is φ = 327200.

The previous prime is 490783. The next prime is 490829. The reversal of 490803 is 308094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490803 - 2⁵ = 490771 is a prime.

It is a D-number.

490803 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (490003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81798 + ... + 81803.

It is an arithmetic number, because the mean of its divisors is an integer number (163602).

2⁴⁹⁰⁸⁰³ is an apocalyptic number.

490803 is a deficient number, since it is larger than the sum of its proper divisors (163605).

490803 is a wasteful number, since it uses less digits than its factorization.

490803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163604.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 490803 is about 700.5733366322. The cubic root of 490803 is about 78.8803937012.

Adding to 490803 its reverse (308094), we get a palindrome (798897).

The spelling of 490803 in words is "four hundred ninety thousand, eight hundred three".