8218499 has 2 divisors, whose sum is σ = 8218500. Its totient is φ = 8218498.

The previous prime is 8218489. The next prime is 8218537. The reversal of 8218499 is 9948128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8218499 - 2²⁰ = 7169923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8218439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4109249 + 4109250.

It is an arithmetic number, because the mean of its divisors is an integer number (4109250).

Almost surely, 2^8218499 is an apocalyptic number.

8218499 is a deficient number, since it is larger than the sum of its proper divisors (1).

8218499 is an equidigital number, since it uses as much as digits as its factorization.

8218499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 41.

The square root of 8218499 is about 2866.7924584804. The cubic root of 8218499 is about 201.8044950235.

It can be divided in two parts, 82 and 18499, that added together give a palindrome (18581).

The spelling of 8218499 in words is "eight million, two hundred eighteen thousand, four hundred ninety-nine".