489263916 has 12 divisors (see below), whose sum is σ = 1141615832. Its totient is φ = 163087968.

The previous prime is 489263903. The next prime is 489263921. The reversal of 489263916 is 619362984.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20385985 + ... + 20386008.

Almost surely, 2^489263916 is an apocalyptic number.

It is an amenable number.

489263916 is an abundant number, since it is smaller than the sum of its proper divisors (652351916).

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

489263916 is a wasteful number, since it uses less digits than its factorization.

489263916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40772000 (or 40771998 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 489263916 is about 22119.3109295927. The cubic root of 489263916 is about 787.9785503536.

The spelling of 489263916 in words is "four hundred eighty-nine million, two hundred sixty-three thousand, nine hundred sixteen".