490061858 has 24 divisors (see below), whose sum is σ = 870153564. Its totient is φ = 205619040.

The previous prime is 490061849. The next prime is 490061867. The reversal of 490061858 is 858160094.

It is an interprime number because it is at equal distance from previous prime (490061849) and next prime (490061867).

It can be written as a sum of positive squares in 2 ways, for example, as 440034529 + 50027329 = 20977^2 + 7073^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74741 + ... + 81032.

Almost surely, 2^490061858 is an apocalyptic number.

490061858 is a deficient number, since it is larger than the sum of its proper divisors (380091706).

490061858 is a wasteful number, since it uses less digits than its factorization.

490061858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155810 (or 155799 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 490061858 is about 22137.3408068810. The cubic root of 490061858 is about 788.4066898867.

The spelling of 490061858 in words is "four hundred ninety million, sixty-one thousand, eight hundred fifty-eight".