8197197 has 8 divisors (see below), whose sum is σ = 10978656. Its totient is φ = 5440272.

The previous prime is 8197193. The next prime is 8197199. The reversal of 8197197 is 7917918.

It is a happy number.

8197197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8197197 - 2² = 8197193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8197193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5338 + ... + 6699.

It is an arithmetic number, because the mean of its divisors is an integer number (1372332).

Almost surely, 2^8197197 is an apocalyptic number.

It is an amenable number.

8197197 is a deficient number, since it is larger than the sum of its proper divisors (2781459).

8197197 is a wasteful number, since it uses less digits than its factorization.

8197197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267.

The product of its digits is 31752, while the sum is 42.

The square root of 8197197 is about 2863.0747457934. The cubic root of 8197197 is about 201.6299879411.

The spelling of 8197197 in words is "eight million, one hundred ninety-seven thousand, one hundred ninety-seven".