490287163 has 4 divisors (see below), whose sum is σ = 497192688. Its totient is φ = 483381640.

The previous prime is 490287139. The next prime is 490287167. The reversal of 490287163 is 361782094.

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-490287163 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490287167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3452656 + ... + 3452797.

It is an arithmetic number, because the mean of its divisors is an integer number (124298172).

Almost surely, 2^490287163 is an apocalyptic number.

490287163 is a deficient number, since it is larger than the sum of its proper divisors (6905525).

490287163 is an equidigital number, since it uses as much as digits as its factorization.

490287163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905524.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 490287163 is about 22142.4290221285. The cubic root of 490287163 is about 788.5274941970.

The spelling of 490287163 in words is "four hundred ninety million, two hundred eighty-seven thousand, one hundred sixty-three".