491614848 has 96 divisors (see below), whose sum is σ = 1419032160. Its totient is φ = 163367424.

The previous prime is 491614847. The next prime is 491614883. The reversal of 491614848 is 848416194.

491614848 is a `hidden beast` number, since 4 + 9 + 161 + 484 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (491614847) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 675861 + ... + 676587.

It is an arithmetic number, because the mean of its divisors is an integer number (14781585).

Almost surely, 2^491614848 is an apocalyptic number.

491614848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491614848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709516080).

491614848 is an abundant number, since it is smaller than the sum of its proper divisors (927417312).

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

491614848 is a wasteful number, since it uses less digits than its factorization.

491614848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1319 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 491614848 is about 22172.3893164449. The cubic root of 491614848 is about 789.2386233861.

The spelling of 491614848 in words is "four hundred ninety-one million, six hundred fourteen thousand, eight hundred forty-eight".