489959992 has 32 divisors (see below), whose sum is σ = 1023915600. Its totient is φ = 218433024.

The previous prime is 489959971. The next prime is 489959993. The reversal of 489959992 is 299959984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489959993) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 92223 + ... + 97390.

Almost surely, 2^489959992 is an apocalyptic number.

It is an amenable number.

489959992 is an abundant number, since it is smaller than the sum of its proper divisors (533955608).

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

489959992 is a wasteful number, since it uses less digits than its factorization.

489959992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189655 (or 189651 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 64.

The square root of 489959992 is about 22135.0399141271. The cubic root of 489959992 is about 788.3520590955.

The spelling of 489959992 in words is "four hundred eighty-nine million, nine hundred fifty-nine thousand, nine hundred ninety-two".