9791864 has 16 divisors (see below), whose sum is σ = 19440000. Its totient is φ = 4607872.

The previous prime is 9791863. The next prime is 9791911. The reversal of 9791864 is 4681979.

9791864 is nontrivially palindromic in base 11.

9791864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 11.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35864 + ... + 36135.

It is an arithmetic number, because the mean of its divisors is an integer number (1215000).

Almost surely, 2^9791864 is an apocalyptic number.

It is an amenable number.

9791864 is a deficient number, since it is larger than the sum of its proper divisors (9648136).

9791864 is a wasteful number, since it uses less digits than its factorization.

9791864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72022 (or 72018 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 9791864 is about 3129.1954237471. The cubic root of 9791864 is about 213.9382591855.

The spelling of 9791864 in words is "nine million, seven hundred ninety-one thousand, eight hundred sixty-four".