8423797 has 2 divisors, whose sum is σ = 8423798. Its totient is φ = 8423796.

The previous prime is 8423791. The next prime is 8423801. The reversal of 8423797 is 7973248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7017201 + 1406596 = 2649^2 + 1186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8423797 is a prime.

It is a Chen prime.

8423797 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8423791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211898 + 4211899.

It is an arithmetic number, because the mean of its divisors is an integer number (4211899).

Almost surely, 2^8423797 is an apocalyptic number.

It is an amenable number.

8423797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8423797 is an equidigital number, since it uses as much as digits as its factorization.

8423797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 8423797 is about 2902.3778182725. The cubic root of 8423797 is about 203.4710521519.

The spelling of 8423797 in words is "eight million, four hundred twenty-three thousand, seven hundred ninety-seven".