8198111 has 4 divisors (see below), whose sum is σ = 8260824. Its totient is φ = 8135400.

The previous prime is 8198107. The next prime is 8198117. The reversal of 8198111 is 1118918.

8198111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1118918 = 2 ⋅559459.

It is a cyclic number.

It is not a de Polignac number, because 8198111 - 2² = 8198107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8198117) 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 in 3 ways as a sum of consecutive naturals, for example, 31160 + ... + 31421.

It is an arithmetic number, because the mean of its divisors is an integer number (2065206).

Almost surely, 2^8198111 is an apocalyptic number.

8198111 is a deficient number, since it is larger than the sum of its proper divisors (62713).

8198111 is a wasteful number, since it uses less digits than its factorization.

8198111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62712.

The product of its digits is 576, while the sum is 29.

The square root of 8198111 is about 2863.2343599503. The cubic root of 8198111 is about 201.6374816799.

The spelling of 8198111 in words is "eight million, one hundred ninety-eight thousand, one hundred eleven".