491582883 has 32 divisors (see below), whose sum is σ = 725674752. Its totient is φ = 293529600.

The previous prime is 491582881. The next prime is 491582891. The reversal of 491582883 is 388285194.

It is not a de Polignac number, because 491582883 - 2¹ = 491582881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (491582881) 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 31 ways as a sum of consecutive naturals, for example, 898416 + ... + 898962.

It is an arithmetic number, because the mean of its divisors is an integer number (22677336).

Almost surely, 2^491582883 is an apocalyptic number.

491582883 is a deficient number, since it is larger than the sum of its proper divisors (234091869).

491582883 is a wasteful number, since it uses less digits than its factorization.

491582883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 552960, while the sum is 48.

The square root of 491582883 is about 22171.6684757823. The cubic root of 491582883 is about 789.2215174752.

The spelling of 491582883 in words is "four hundred ninety-one million, five hundred eighty-two thousand, eight hundred eighty-three".