9011090 has 16 divisors (see below), whose sum is σ = 17694720. Its totient is φ = 3276720.

The previous prime is 9011081. The next prime is 9011099. The reversal of 9011090 is 901109.

It is an interprime number because it is at equal distance from previous prime (9011081) and next prime (9011099).

It is not an unprimeable number, because it can be changed into a prime (9011099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40850 + ... + 41069.

It is an arithmetic number, because the mean of its divisors is an integer number (1105920).

Almost surely, 2^9011090 is an apocalyptic number.

9011090 is a deficient number, since it is larger than the sum of its proper divisors (8683630).

9011090 is a wasteful number, since it uses less digits than its factorization.

9011090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81937.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 9011090 is about 3001.8477642945. The cubic root of 9011090 is about 208.0937847536.

Adding to 9011090 its reverse (901109), we get a palindrome (9912199).

It can be divided in two parts, 901 and 1090, that added together give a palindrome (1991).

The spelling of 9011090 in words is "nine million, eleven thousand, ninety".