9873811 has 2 divisors, whose sum is σ = 9873812. Its totient is φ = 9873810.

The previous prime is 9873769. The next prime is 9873817. The reversal of 9873811 is 1183789.

9873811 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 a cyclic number.

It is not a de Polignac number, because 9873811 - 2⁹ = 9873299 is a prime.

It is a Chen prime.

9873811 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9873817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936905 + 4936906.

It is an arithmetic number, because the mean of its divisors is an integer number (4936906).

Almost surely, 2^9873811 is an apocalyptic number.

9873811 is a deficient number, since it is larger than the sum of its proper divisors (1).

9873811 is an equidigital number, since it uses as much as digits as its factorization.

9873811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 9873811 is about 3142.2620832770. The cubic root of 9873811 is about 214.5334103571.

The spelling of 9873811 in words is "nine million, eight hundred seventy-three thousand, eight hundred eleven".