489688188 has 24 divisors (see below), whose sum is σ = 1246479360. Its totient is φ = 148390320.

The previous prime is 489688169. The next prime is 489688211. The reversal of 489688188 is 881886984.

It is a congruent number.

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, 1854748 + ... + 1855011.

It is an arithmetic number, because the mean of its divisors is an integer number (51936640).

Almost surely, 2^489688188 is an apocalyptic number.

It is an amenable number.

489688188 is an abundant number, since it is smaller than the sum of its proper divisors (756791172).

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

489688188 is a wasteful number, since it uses less digits than its factorization.

489688188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709777 (or 3709775 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 60.

The square root of 489688188 is about 22128.8993851931. The cubic root of 489688188 is about 788.2062533957.

The spelling of 489688188 in words is "four hundred eighty-nine million, six hundred eighty-eight thousand, one hundred eighty-eight".