9011089 has 4 divisors (see below), whose sum is σ = 9017856. Its totient is φ = 9004324.

The previous prime is 9011081. The next prime is 9011099. The reversal of 9011089 is 9801109.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9011089 - 2³ = 9011081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9011081) 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 3 ways as a sum of consecutive naturals, for example, 649 + ... + 4294.

It is an arithmetic number, because the mean of its divisors is an integer number (2254464).

Almost surely, 2^9011089 is an apocalyptic number.

It is an amenable number.

9011089 is a deficient number, since it is larger than the sum of its proper divisors (6767).

9011089 is a wasteful number, since it uses less digits than its factorization.

9011089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766.

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

The square root of 9011089 is about 3001.8475977304. The cubic root of 9011089 is about 208.0937770559.

It can be divided in two parts, 901 and 1089, that multiplied together give a palindrome (981189).

The spelling of 9011089 in words is "nine million, eleven thousand, eighty-nine".