8197697 has 4 divisors (see below), whose sum is σ = 8203440. Its totient is φ = 8191956.

The previous prime is 8197687. The next prime is 8197699. The reversal of 8197697 is 7967918.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8197697 - 2¹⁸ = 7935553 is a prime.

It is a super-2 number, since 2×8197697² = 134404472207618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8197699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (2050860).

Almost surely, 2^8197697 is an apocalyptic number.

It is an amenable number.

8197697 is a deficient number, since it is larger than the sum of its proper divisors (5743).

8197697 is a wasteful number, since it uses less digits than its factorization.

8197697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742.

The product of its digits is 190512, while the sum is 47.

The square root of 8197697 is about 2863.1620631742. The cubic root of 8197697 is about 201.6340874296.

The spelling of 8197697 in words is "eight million, one hundred ninety-seven thousand, six hundred ninety-seven".