9118493 has 2 divisors, whose sum is σ = 9118494. Its totient is φ = 9118492.

The previous prime is 9118481. The next prime is 9118541. The reversal of 9118493 is 3948119.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8543929 + 574564 = 2923^2 + 758^2 .

It is a cyclic number.

It is not a de Polignac number, because 9118493 - 2¹⁴ = 9102109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9118793) 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, 4559246 + 4559247.

It is an arithmetic number, because the mean of its divisors is an integer number (4559247).

Almost surely, 2^9118493 is an apocalyptic number.

It is an amenable number.

9118493 is a deficient number, since it is larger than the sum of its proper divisors (1).

9118493 is an equidigital number, since it uses as much as digits as its factorization.

9118493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 9118493 is about 3019.6842550174. The cubic root of 9118493 is about 208.9172768475.

The spelling of 9118493 in words is "nine million, one hundred eighteen thousand, four hundred ninety-three".