8198459 has 2 divisors, whose sum is σ = 8198460. Its totient is φ = 8198458.

The previous prime is 8198389. The next prime is 8198467. The reversal of 8198459 is 9548918.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8198459 - 2¹² = 8194363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8198479) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099229 + 4099230.

It is an arithmetic number, because the mean of its divisors is an integer number (4099230).

Almost surely, 2^8198459 is an apocalyptic number.

8198459 is a deficient number, since it is larger than the sum of its proper divisors (1).

8198459 is an equidigital number, since it uses as much as digits as its factorization.

8198459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 44.

The square root of 8198459 is about 2863.2951297413. The cubic root of 8198459 is about 201.6403347295.

The spelling of 8198459 in words is "eight million, one hundred ninety-eight thousand, four hundred fifty-nine".