489923632 has 20 divisors (see below), whose sum is σ = 1035520776. Its totient is φ = 222692480.

The previous prime is 489923627. The next prime is 489923633. The reversal of 489923632 is 236329984.

It is not an unprimeable number, because it can be changed into a prime (489923633) 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 3 ways as a sum of consecutive naturals, for example, 1391653 + ... + 1392004.

Almost surely, 2^489923632 is an apocalyptic number.

It is an amenable number.

489923632 is an abundant number, since it is smaller than the sum of its proper divisors (545597144).

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

489923632 is a wasteful number, since it uses less digits than its factorization.

489923632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783676 (or 2783670 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The square root of 489923632 is about 22134.2185766744. The cubic root of 489923632 is about 788.3325573740.

The spelling of 489923632 in words is "four hundred eighty-nine million, nine hundred twenty-three thousand, six hundred thirty-two".