8189899 has 2 divisors, whose sum is σ = 8189900. Its totient is φ = 8189898.

The previous prime is 8189837. The next prime is 8189917. The reversal of 8189899 is 9989818.

8189899 is digitally balanced in base 3, 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 8189899 - 2⁹ = 8189387 is a prime.

It is not a weakly prime, because it can be changed into another prime (8189999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4094949 + 4094950.

It is an arithmetic number, because the mean of its divisors is an integer number (4094950).

Almost surely, 2^8189899 is an apocalyptic number.

8189899 is a deficient number, since it is larger than the sum of its proper divisors (1).

8189899 is an equidigital number, since it uses as much as digits as its factorization.

8189899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 52.

The square root of 8189899 is about 2861.7999580683. The cubic root of 8189899 is about 201.5701328239.

The spelling of 8189899 in words is "eight million, one hundred eighty-nine thousand, eight hundred ninety-nine".