7109089 has 16 divisors (see below), whose sum is σ = 8038800. Its totient is φ = 6241536.

The previous prime is 7109083. The next prime is 7109099. The reversal of 7109089 is 9809017.

It can be written as a sum of positive squares in 8 ways, for example, as 176400 + 6932689 = 420^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 7109089 - 2⁵ = 7109057 is a prime.

7109089 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7109083) 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 15 ways as a sum of consecutive naturals, for example, 41007 + ... + 41179.

It is an arithmetic number, because the mean of its divisors is an integer number (502425).

Almost surely, 2^7109089 is an apocalyptic number.

It is an amenable number.

7109089 is a deficient number, since it is larger than the sum of its proper divisors (929711).

7109089 is a wasteful number, since it uses less digits than its factorization.

7109089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 7109089 is about 2666.2874938761. The cubic root of 7109089 is about 192.2817135492.

The spelling of 7109089 in words is "seven million, one hundred nine thousand, eighty-nine".