2771089 has 4 divisors (see below), whose sum is σ = 2776356. Its totient is φ = 2765824.

The previous prime is 2771081. The next prime is 2771113. The reversal of 2771089 is 9801772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2274064 + 497025 = 1508^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 2771089 - 2³ = 2771081 is a prime.

It is a Duffinian number.

2771089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2771081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (694089).

2^2771089 is an apocalyptic number.

It is an amenable number.

2771089 is a deficient number, since it is larger than the sum of its proper divisors (5267).

2771089 is an equidigital number, since it uses as much as digits as its factorization.

2771089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2771089 is about 1664.6588239036. The cubic root of 2771089 is about 140.4591895250.

The spelling of 2771089 in words is "two million, seven hundred seventy-one thousand, eighty-nine".