8198899 has 4 divisors (see below), whose sum is σ = 8630440. Its totient is φ = 7767360.

The previous prime is 8198891. The next prime is 8198917. The reversal of 8198899 is 9988918.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8198899 - 2³ = 8198891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8198891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215742 + ... + 215779.

It is an arithmetic number, because the mean of its divisors is an integer number (2157610).

Almost surely, 2^8198899 is an apocalyptic number.

8198899 is a deficient number, since it is larger than the sum of its proper divisors (431541).

8198899 is a wasteful number, since it uses less digits than its factorization.

8198899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431540.

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

The square root of 8198899 is about 2863.3719632629. The cubic root of 8198899 is about 201.6439419180.

The spelling of 8198899 in words is "eight million, one hundred ninety-eight thousand, eight hundred ninety-nine".