491848704 has 132 divisors (see below), whose sum is σ = 1439548656. Its totient is φ = 161722368.

The previous prime is 491848703. The next prime is 491848723. The reversal of 491848704 is 407848194.

491848704 is a `hidden beast` number, since 491 + 84 + 87 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 491848704.

It is not an unprimeable number, because it can be changed into a prime (491848703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 764607 + ... + 765249.

Almost surely, 2^491848704 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 491848704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719774328).

491848704 is an abundant number, since it is smaller than the sum of its proper divisors (947699952).

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

491848704 is a wasteful number, since it uses less digits than its factorization.

491848704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 491848704 is about 22177.6622753617. The cubic root of 491848704 is about 789.3637477121.

The spelling of 491848704 in words is "four hundred ninety-one million, eight hundred forty-eight thousand, seven hundred four".