490422403 has 4 divisors (see below), whose sum is σ = 491486688. Its totient is φ = 489358120.

The previous prime is 490422343. The next prime is 490422421. The reversal of 490422403 is 304224094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490422403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490422463) 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, 531451 + ... + 532372.

It is an arithmetic number, because the mean of its divisors is an integer number (122871672).

Almost surely, 2^490422403 is an apocalyptic number.

490422403 is a deficient number, since it is larger than the sum of its proper divisors (1064285).

490422403 is a wasteful number, since it uses less digits than its factorization.

490422403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064284.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 490422403 is about 22145.4826770608. The cubic root of 490422403 is about 788.5999895716.

Adding to 490422403 its reverse (304224094), we get a palindrome (794646497).

The spelling of 490422403 in words is "four hundred ninety million, four hundred twenty-two thousand, four hundred three".