8199941 has 2 divisors, whose sum is σ = 8199942. Its totient is φ = 8199940.

The previous prime is 8199931. The next prime is 8199943. The reversal of 8199941 is 1499918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6522916 + 1677025 = 2554^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 8199941 - 2¹⁰ = 8198917 is a prime.

Together with 8199943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8199943) 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 as a sum of consecutive naturals, namely, 4099970 + 4099971.

It is an arithmetic number, because the mean of its divisors is an integer number (4099971).

Almost surely, 2^8199941 is an apocalyptic number.

It is an amenable number.

8199941 is a deficient number, since it is larger than the sum of its proper divisors (1).

8199941 is an equidigital number, since it uses as much as digits as its factorization.

8199941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 41.

The square root of 8199941 is about 2863.5539107899. The cubic root of 8199941 is about 201.6524838814.

The spelling of 8199941 in words is "eight million, one hundred ninety-nine thousand, nine hundred forty-one".