9793891 has 2 divisors, whose sum is σ = 9793892. Its totient is φ = 9793890.

The previous prime is 9793877. The next prime is 9793897. The reversal of 9793891 is 1983979.

9793891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1983979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9793891 - 2¹¹ = 9791843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9793897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4896945 + 4896946.

It is an arithmetic number, because the mean of its divisors is an integer number (4896946).

Almost surely, 2^9793891 is an apocalyptic number.

9793891 is a deficient number, since it is larger than the sum of its proper divisors (1).

9793891 is an equidigital number, since it uses as much as digits as its factorization.

9793891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 46.

The square root of 9793891 is about 3129.5192921597. The cubic root of 9793891 is about 213.9530205197.

The spelling of 9793891 in words is "nine million, seven hundred ninety-three thousand, eight hundred ninety-one".