2709091 has 16 divisors (see below), whose sum is σ = 3414528. Its totient is φ = 2088000.

The previous prime is 2709079. The next prime is 2709097. The reversal of 2709091 is 1909072.

2709091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2709091 - 2¹³ = 2700899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2709097) 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 15 ways as a sum of consecutive naturals, for example, 11511 + ... + 11743.

It is an arithmetic number, because the mean of its divisors is an integer number (213408).

2^2709091 is an apocalyptic number.

2709091 is a deficient number, since it is larger than the sum of its proper divisors (705437).

2709091 is a wasteful number, since it uses less digits than its factorization.

2709091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 2709091 is about 1645.9316510718. The cubic root of 2709091 is about 139.4037739462.

The spelling of 2709091 in words is "two million, seven hundred nine thousand, ninety-one".