489091584 has 40 divisors (see below), whose sum is σ = 1302974640. Its totient is φ = 163030016.

The previous prime is 489091571. The next prime is 489091613. The reversal of 489091584 is 485190984.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 157674 + ... + 160745.

It is an arithmetic number, because the mean of its divisors is an integer number (32574366).

Almost surely, 2^489091584 is an apocalyptic number.

It is an amenable number.

489091584 is an abundant number, since it is smaller than the sum of its proper divisors (813883056).

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

489091584 is an equidigital number, since it uses as much as digits as its factorization.

489091584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318440 (or 318424 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 489091584 is about 22115.4150763670. The cubic root of 489091584 is about 787.8860236949.

The spelling of 489091584 in words is "four hundred eighty-nine million, ninety-one thousand, five hundred eighty-four".