8418169 has 2 divisors, whose sum is σ = 8418170. Its totient is φ = 8418168.

The previous prime is 8418139. The next prime is 8418173. The reversal of 8418169 is 9618148.

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., 5221225 + 3196944 = 2285^2 + 1788^2 .

It is a cyclic number.

It is not a de Polignac number, because 8418169 - 2⁷ = 8418041 is a prime.

It is a super-2 number, since 2×8418169² = 141731138625122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8418119) 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, 4209084 + 4209085.

It is an arithmetic number, because the mean of its divisors is an integer number (4209085).

Almost surely, 2^8418169 is an apocalyptic number.

It is an amenable number.

8418169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8418169 is an equidigital number, since it uses as much as digits as its factorization.

8418169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 8418169 is about 2901.4081064201. The cubic root of 8418169 is about 203.4257285605.

The spelling of 8418169 in words is "eight million, four hundred eighteen thousand, one hundred sixty-nine".