489642336 has 72 divisors (see below), whose sum is σ = 1426416264. Its totient is φ = 159229440.

The previous prime is 489642319. The next prime is 489642343. The reversal of 489642336 is 633246984.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 489642291 and 489642300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8926 + ... + 32541.

It is an arithmetic number, because the mean of its divisors is an integer number (19811337).

Almost surely, 2^489642336 is an apocalyptic number.

It is an amenable number.

489642336 is an abundant number, since it is smaller than the sum of its proper divisors (936773928).

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

489642336 is a wasteful number, since it uses less digits than its factorization.

489642336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41524 (or 41513 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 489642336 is about 22127.8633401420. The cubic root of 489642336 is about 788.1816513720.

The spelling of 489642336 in words is "four hundred eighty-nine million, six hundred forty-two thousand, three hundred thirty-six".