8397797 has 4 divisors (see below), whose sum is σ = 8556300. Its totient is φ = 8239296.

The previous prime is 8397793. The next prime is 8397803. The reversal of 8397797 is 7977938.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7977938 = 2 ⋅3988969.

It can be written as a sum of positive squares in 2 ways, for example, as 3865156 + 4532641 = 1966^2 + 2129^2 .

It is a cyclic number.

It is not a de Polignac number, because 8397797 - 2² = 8397793 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 (8397793) 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, 79172 + ... + 79277.

It is an arithmetic number, because the mean of its divisors is an integer number (2139075).

Almost surely, 2^8397797 is an apocalyptic number.

It is an amenable number.

8397797 is a deficient number, since it is larger than the sum of its proper divisors (158503).

8397797 is a wasteful number, since it uses less digits than its factorization.

8397797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158502.

The product of its digits is 666792, while the sum is 50.

The square root of 8397797 is about 2897.8952707094. The cubic root of 8397797 is about 203.2614990062.

The spelling of 8397797 in words is "eight million, three hundred ninety-seven thousand, seven hundred ninety-seven".