489655928 has 32 divisors (see below), whose sum is σ = 953564400. Its totient is φ = 235521792.

The previous prime is 489655919. The next prime is 489655931. The reversal of 489655928 is 829556984.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 17051 + ... + 35637.

Almost surely, 2^489655928 is an apocalyptic number.

It is an amenable number.

489655928 is a deficient number, since it is larger than the sum of its proper divisors (463908472).

489655928 is a wasteful number, since it uses less digits than its factorization.

489655928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719 (or 18715 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 56.

The square root of 489655928 is about 22128.1704621055. The cubic root of 489655928 is about 788.1889443592.

The spelling of 489655928 in words is "four hundred eighty-nine million, six hundred fifty-five thousand, nine hundred twenty-eight".