8198171 has 4 divisors (see below), whose sum is σ = 8206344. Its totient is φ = 8190000.

The previous prime is 8198147. The next prime is 8198191. The reversal of 8198171 is 1718918.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1718918 = 2 ⋅859459.

It is a cyclic number.

It is not a de Polignac number, because 8198171 - 2⁶ = 8198107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8198191) 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, 2330 + ... + 4671.

It is an arithmetic number, because the mean of its divisors is an integer number (2051586).

Almost surely, 2^8198171 is an apocalyptic number.

8198171 is a deficient number, since it is larger than the sum of its proper divisors (8173).

8198171 is a wasteful number, since it uses less digits than its factorization.

8198171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172.

The product of its digits is 4032, while the sum is 35.

The square root of 8198171 is about 2863.2448375925. The cubic root of 8198171 is about 201.6379735908.

The spelling of 8198171 in words is "eight million, one hundred ninety-eight thousand, one hundred seventy-one".