489899158 has 12 divisors (see below), whose sum is σ = 854824212. Its totient is φ = 209956740.

The previous prime is 489899143. The next prime is 489899159. The reversal of 489899158 is 851998984.

It is a junction number, because it is equal to n+sod(n) for n = 489899096 and 489899105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489899159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2499388 + ... + 2499583.

It is an arithmetic number, because the mean of its divisors is an integer number (71235351).

Almost surely, 2^489899158 is an apocalyptic number.

489899158 is a deficient number, since it is larger than the sum of its proper divisors (364925054).

489899158 is a wasteful number, since it uses less digits than its factorization.

489899158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998987 (or 4998980 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 61.

The square root of 489899158 is about 22133.6657153758. The cubic root of 489899158 is about 788.3194301768.

The spelling of 489899158 in words is "four hundred eighty-nine million, eight hundred ninety-nine thousand, one hundred fifty-eight".