8998243 has 2 divisors, whose sum is σ = 8998244. Its totient is φ = 8998242.

The previous prime is 8998211. The next prime is 8998247. The reversal of 8998243 is 3428998.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8998243 - 2⁵ = 8998211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8998243.

It is not a weakly prime, because it can be changed into another prime (8998247) 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 as a sum of consecutive naturals, namely, 4499121 + 4499122.

It is an arithmetic number, because the mean of its divisors is an integer number (4499122).

Almost surely, 2^8998243 is an apocalyptic number.

8998243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8998243 is an equidigital number, since it uses as much as digits as its factorization.

8998243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 8998243 is about 2999.7071523734. The cubic root of 8998243 is about 207.9948454714.

The spelling of 8998243 in words is "eight million, nine hundred ninety-eight thousand, two hundred forty-three".