489612416 has 64 divisors (see below), whose sum is σ = 1017372480. Its totient is φ = 234482688.

The previous prime is 489612401. The next prime is 489612439. The reversal of 489612416 is 614216984.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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, 316541 + ... + 318083.

It is an arithmetic number, because the mean of its divisors is an integer number (15896445).

Almost surely, 2^489612416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489612416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508686240).

489612416 is an abundant number, since it is smaller than the sum of its proper divisors (527760064).

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

489612416 is a wasteful number, since it uses less digits than its factorization.

489612416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1649 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 489612416 is about 22127.1872591163. The cubic root of 489612416 is about 788.1655968810.

The spelling of 489612416 in words is "four hundred eighty-nine million, six hundred twelve thousand, four hundred sixteen".