9791868 has 12 divisors (see below), whose sum is σ = 22847720. Its totient is φ = 3263952.

The previous prime is 9791863. The next prime is 9791911. The reversal of 9791868 is 8681979.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9791861) 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 3 ways as a sum of consecutive naturals, for example, 407983 + ... + 408006.

Almost surely, 2^9791868 is an apocalyptic number.

It is an amenable number.

9791868 is an abundant number, since it is smaller than the sum of its proper divisors (13055852).

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

9791868 is a wasteful number, since it uses less digits than its factorization.

9791868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815996 (or 815994 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The square root of 9791868 is about 3129.1960628890. The cubic root of 9791868 is about 213.9382883169.

The spelling of 9791868 in words is "nine million, seven hundred ninety-one thousand, eight hundred sixty-eight".