489895806 has 16 divisors (see below), whose sum is σ = 983437200. Its totient is φ = 162691008.

The previous prime is 489895733. The next prime is 489895823. The reversal of 489895806 is 608598984.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150151 + ... + 153378.

It is an arithmetic number, because the mean of its divisors is an integer number (61464825).

Almost surely, 2^489895806 is an apocalyptic number.

489895806 is an abundant number, since it is smaller than the sum of its proper divisors (493541394).

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

489895806 is a wasteful number, since it uses less digits than its factorization.

489895806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303803.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The square root of 489895806 is about 22133.5899934918. The cubic root of 489895806 is about 788.3176322199.

The spelling of 489895806 in words is "four hundred eighty-nine million, eight hundred ninety-five thousand, eight hundred six".