490690854 has 48 divisors (see below), whose sum is σ = 1096450992. Its totient is φ = 158518464.

The previous prime is 490690843. The next prime is 490690877. The reversal of 490690854 is 458096094.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76084 + ... + 82280.

It is an arithmetic number, because the mean of its divisors is an integer number (22842729).

Almost surely, 2^490690854 is an apocalyptic number.

490690854 is an abundant number, since it is smaller than the sum of its proper divisors (605760138).

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

490690854 is a wasteful number, since it uses less digits than its factorization.

490690854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341 (or 6338 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 490690854 is about 22151.5429259454. The cubic root of 490690854 is about 788.7438532007.

The spelling of 490690854 in words is "four hundred ninety million, six hundred ninety thousand, eight hundred fifty-four".