489720684 has 48 divisors (see below), whose sum is σ = 1165248000. Its totient is φ = 160046016.

The previous prime is 489720629. The next prime is 489720691. The reversal of 489720684 is 486027984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139519 + ... + 142985.

It is an arithmetic number, because the mean of its divisors is an integer number (24276000).

Almost surely, 2^489720684 is an apocalyptic number.

It is an amenable number.

489720684 is an abundant number, since it is smaller than the sum of its proper divisors (675527316).

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

489720684 is a wasteful number, since it uses less digits than its factorization.

489720684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 489720684 is about 22129.6336164881. The cubic root of 489720684 is about 788.2236882889.

The spelling of 489720684 in words is "four hundred eighty-nine million, seven hundred twenty thousand, six hundred eighty-four".