489911604 has 72 divisors (see below), whose sum is σ = 1432071648. Its totient is φ = 129205440.

The previous prime is 489911579. The next prime is 489911623. The reversal of 489911604 is 406119984.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24402 + ... + 39689.

It is an arithmetic number, because the mean of its divisors is an integer number (19889884).

Almost surely, 2^489911604 is an apocalyptic number.

It is an amenable number.

489911604 is an abundant number, since it is smaller than the sum of its proper divisors (942160044).

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

489911604 is a wasteful number, since it uses less digits than its factorization.

489911604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64125 (or 64116 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 489911604 is about 22133.9468690064. The cubic root of 489911604 is about 788.3261059320.

The spelling of 489911604 in words is "four hundred eighty-nine million, nine hundred eleven thousand, six hundred four".