490890208 has 24 divisors (see below), whose sum is σ = 997617600. Its totient is φ = 237527040.

The previous prime is 490890203. The next prime is 490890209. The reversal of 490890208 is 802098094.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490890203) 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, 246433 + ... + 248416.

It is an arithmetic number, because the mean of its divisors is an integer number (41567400).

Almost surely, 2^490890208 is an apocalyptic number.

It is an amenable number.

490890208 is an abundant number, since it is smaller than the sum of its proper divisors (506727392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490890208 is a wasteful number, since it uses less digits than its factorization.

490890208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494890 (or 494882 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 490890208 is about 22156.0422458525. The cubic root of 490890208 is about 788.8506536106.

The spelling of 490890208 in words is "four hundred ninety million, eight hundred ninety thousand, two hundred eight".