490163908 has 24 divisors (see below), whose sum is σ = 932926680. Its totient is φ = 223987200.

The previous prime is 490163903. The next prime is 490163951. The reversal of 490163908 is 809361094.

It can be written as a sum of positive squares in 4 ways, for example, as 61591104 + 428572804 = 7848^2 + 20702^2 .

It is not an unprimeable number, because it can be changed into a prime (490163903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41413 + ... + 51916.

It is an arithmetic number, because the mean of its divisors is an integer number (38871945).

Almost surely, 2^490163908 is an apocalyptic number.

It is an amenable number.

490163908 is a deficient number, since it is larger than the sum of its proper divisors (442762772).

490163908 is a wasteful number, since it uses less digits than its factorization.

490163908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93447 (or 93445 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 490163908 is about 22139.6456159533. The cubic root of 490163908 is about 788.4614117667.

The spelling of 490163908 in words is "four hundred ninety million, one hundred sixty-three thousand, nine hundred eight".