490090854 has 64 divisors (see below), whose sum is σ = 1119744000. Its totient is φ = 141551520.

The previous prime is 490090813. The next prime is 490090879. The reversal of 490090854 is 458090094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 757159 + ... + 757805.

It is an arithmetic number, because the mean of its divisors is an integer number (17496000).

Almost surely, 2^490090854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490090854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559872000).

490090854 is an abundant number, since it is smaller than the sum of its proper divisors (629653146).

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

490090854 is a wasteful number, since it uses less digits than its factorization.

490090854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 490090854 is about 22137.9957087357. The cubic root of 490090854 is about 788.4222390731.

The spelling of 490090854 in words is "four hundred ninety million, ninety thousand, eight hundred fifty-four".