489924456 has 64 divisors (see below), whose sum is σ = 1432358400. Its totient is φ = 136721088.

The previous prime is 489924433. The next prime is 489924469. The reversal of 489924456 is 654429984.

It is a junction number, because it is equal to n+sod(n) for n = 489924399 and 489924408.

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, 26686 + ... + 41133.

It is an arithmetic number, because the mean of its divisors is an integer number (22380600).

Almost surely, 2^489924456 is an apocalyptic number.

It is an amenable number.

489924456 is an abundant number, since it is smaller than the sum of its proper divisors (942433944).

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

489924456 is a wasteful number, since it uses less digits than its factorization.

489924456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67878 (or 67874 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 489924456 is about 22134.2371903800. The cubic root of 489924456 is about 788.3329993378.

The spelling of 489924456 in words is "four hundred eighty-nine million, nine hundred twenty-four thousand, four hundred fifty-six".