489117672 has 48 divisors (see below), whose sum is σ = 1340670240. Its totient is φ = 161072928.

The previous prime is 489117661. The next prime is 489117691. The reversal of 489117672 is 276711984.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34948 + ... + 46899.

It is an arithmetic number, because the mean of its divisors is an integer number (27930630).

Almost surely, 2^489117672 is an apocalyptic number.

It is an amenable number.

489117672 is an abundant number, since it is smaller than the sum of its proper divisors (851552568).

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

489117672 is a wasteful number, since it uses less digits than its factorization.

489117672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81942 (or 81935 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 489117672 is about 22116.0048833418. The cubic root of 489117672 is about 787.9000319815.

The spelling of 489117672 in words is "four hundred eighty-nine million, one hundred seventeen thousand, six hundred seventy-two".