8459797 has 2 divisors, whose sum is σ = 8459798. Its totient is φ = 8459796.

The previous prime is 8459783. The next prime is 8459809. The reversal of 8459797 is 7979548.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 217156 = 2871^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 8459797 - 2¹¹ = 8457749 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8459797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8459747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4229898 + 4229899.

It is an arithmetic number, because the mean of its divisors is an integer number (4229899).

Almost surely, 2^8459797 is an apocalyptic number.

It is an amenable number.

8459797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8459797 is an equidigital number, since it uses as much as digits as its factorization.

8459797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 8459797 is about 2908.5730178216. The cubic root of 8459797 is about 203.7604920137.

Subtracting from 8459797 its reverse (7979548), we obtain a square (480249 = 693²).

The spelling of 8459797 in words is "eight million, four hundred fifty-nine thousand, seven hundred ninety-seven".