11389089 has 4 divisors (see below), whose sum is σ = 15185456. Its totient is φ = 7592724.

The previous prime is 11389073. The next prime is 11389093. The reversal of 11389089 is 98098311.

It is a happy number.

11389089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 11389089 - 2⁴ = 11389073 is a prime.

It is a super-2 number, since 2×11389089² = 259422696499842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11389069) 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 in 3 ways as a sum of consecutive naturals, for example, 1898179 + ... + 1898184.

It is an arithmetic number, because the mean of its divisors is an integer number (3796364).

Almost surely, 2^11389089 is an apocalyptic number.

It is an amenable number.

11389089 is a deficient number, since it is larger than the sum of its proper divisors (3796367).

11389089 is an equidigital number, since it uses as much as digits as its factorization.

11389089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796366.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 11389089 is about 3374.7724367726. The cubic root of 11389089 is about 224.9898859651.

The spelling of 11389089 in words is "eleven million, three hundred eighty-nine thousand, eighty-nine".