491373848 has 64 divisors (see below), whose sum is σ = 1142164800. Its totient is φ = 193351680.

The previous prime is 491373847. The next prime is 491373893. The reversal of 491373848 is 848373194.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491373847) 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 15 ways as a sum of consecutive naturals, for example, 32738 + ... + 45326.

It is an arithmetic number, because the mean of its divisors is an integer number (17846325).

Almost surely, 2^491373848 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 491373848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571082400).

491373848 is an abundant number, since it is smaller than the sum of its proper divisors (650790952).

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

491373848 is a wasteful number, since it uses less digits than its factorization.

491373848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12660 (or 12656 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 491373848 is about 22166.9539630505. The cubic root of 491373848 is about 789.1096351489.

The spelling of 491373848 in words is "four hundred ninety-one million, three hundred seventy-three thousand, eight hundred forty-eight".