9118090 has 16 divisors (see below), whose sum is σ = 16452072. Its totient is φ = 3638464.

The previous prime is 9118063. The next prime is 9118091. The reversal of 9118090 is 908119.

It can be written as a sum of positive squares in 4 ways, for example, as 2569609 + 6548481 = 1603^2 + 2559^2 .

It is not an unprimeable number, because it can be changed into a prime (9118091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4752 + ... + 6388.

Almost surely, 2^9118090 is an apocalyptic number.

9118090 is a deficient number, since it is larger than the sum of its proper divisors (7333982).

9118090 is a wasteful number, since it uses less digits than its factorization.

9118090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 9118090 is about 3019.6175254492. The cubic root of 9118090 is about 208.9141990399.

It can be divided in two parts, 91 and 18090, that added together give a palindrome (18181).

The spelling of 9118090 in words is "nine million, one hundred eighteen thousand, ninety".