491846876 has 12 divisors (see below), whose sum is σ = 861337008. Its totient is φ = 245750592.

The previous prime is 491846819. The next prime is 491846879. The reversal of 491846876 is 678648194.

It is a hoax number, since the sum of its digits (53) 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 (491846879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36701 + ... + 48276.

It is an arithmetic number, because the mean of its divisors is an integer number (71778084).

Almost surely, 2^491846876 is an apocalyptic number.

It is an amenable number.

491846876 is a deficient number, since it is larger than the sum of its proper divisors (369490132).

491846876 is a wasteful number, since it uses less digits than its factorization.

491846876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86428 (or 86426 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 491846876 is about 22177.6210626839. The cubic root of 491846876 is about 789.3627697971.

The spelling of 491846876 in words is "four hundred ninety-one million, eight hundred forty-six thousand, eight hundred seventy-six".