9815941 has 2 divisors, whose sum is σ = 9815942. Its totient is φ = 9815940.

The previous prime is 9815909. The next prime is 9815959. The reversal of 9815941 is 1495189.

9815941 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 can be written as a sum of positive squares in only one way, i.e., 7043716 + 2772225 = 2654^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 9815941 - 2⁵ = 9815909 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9815941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9815041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4907970 + 4907971.

It is an arithmetic number, because the mean of its divisors is an integer number (4907971).

Almost surely, 2^9815941 is an apocalyptic number.

It is an amenable number.

9815941 is a deficient number, since it is larger than the sum of its proper divisors (1).

9815941 is an equidigital number, since it uses as much as digits as its factorization.

9815941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 37.

The square root of 9815941 is about 3133.0402167862. The cubic root of 9815941 is about 214.1134650277.

The spelling of 9815941 in words is "nine million, eight hundred fifteen thousand, nine hundred forty-one".