489728912 has 10 divisors (see below), whose sum is σ = 948849798. Its totient is φ = 244864448.

The previous prime is 489728893. The next prime is 489728927. The reversal of 489728912 is 219827984.

It can be written as a sum of positive squares in only one way, i.e., 482417296 + 7311616 = 21964^2 + 2704^2 .

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 as a sum of consecutive naturals, namely, 15304013 + ... + 15304044.

Almost surely, 2^489728912 is an apocalyptic number.

It is an amenable number.

489728912 is a deficient number, since it is larger than the sum of its proper divisors (459120886).

489728912 is a wasteful number, since it uses less digits than its factorization.

489728912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30608065 (or 30608059 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 489728912 is about 22129.8195202763. The cubic root of 489728912 is about 788.2281026884.

The spelling of 489728912 in words is "four hundred eighty-nine million, seven hundred twenty-eight thousand, nine hundred twelve".