491084992 has 28 divisors (see below), whose sum is σ = 976752936. Its totient is φ = 244974080.

The previous prime is 491084989. The next prime is 491085017. The reversal of 491084992 is 299480194.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19692 + ... + 37012.

Almost surely, 2^491084992 is an apocalyptic number.

It is an amenable number.

491084992 is a deficient number, since it is larger than the sum of its proper divisors (485667944).

491084992 is a wasteful number, since it uses less digits than its factorization.

491084992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17776 (or 17766 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 491084992 is about 22160.4375408068. The cubic root of 491084992 is about 788.9549777984.

The spelling of 491084992 in words is "four hundred ninety-one million, eighty-four thousand, nine hundred ninety-two".