489722986 has 16 divisors (see below), whose sum is σ = 789701760. Its totient is φ = 227037600.

The previous prime is 489722957. The next prime is 489723011. The reversal of 489722986 is 689227984.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 135315 + ... + 138886.

It is an arithmetic number, because the mean of its divisors is an integer number (49356360).

Almost surely, 2^489722986 is an apocalyptic number.

489722986 is a deficient number, since it is larger than the sum of its proper divisors (299978774).

489722986 is a wasteful number, since it uses less digits than its factorization.

489722986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274269.

The product of its digits is 3483648, while the sum is 55.

The square root of 489722986 is about 22129.6856281331. The cubic root of 489722986 is about 788.2249233386.

The spelling of 489722986 in words is "four hundred eighty-nine million, seven hundred twenty-two thousand, nine hundred eighty-six".