2705089 has 4 divisors (see below), whose sum is σ = 2731456. Its totient is φ = 2678724.

The previous prime is 2705081. The next prime is 2705093. The reversal of 2705089 is 9805072.

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 a cyclic number.

It is not a de Polignac number, because 2705089 - 2³ = 2705081 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2705089.

It is not an unprimeable number, because it can be changed into a prime (2705081) 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, 13029 + ... + 13234.

It is an arithmetic number, because the mean of its divisors is an integer number (682864).

2^2705089 is an apocalyptic number.

It is an amenable number.

2705089 is a deficient number, since it is larger than the sum of its proper divisors (26367).

2705089 is a wasteful number, since it uses less digits than its factorization.

2705089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26366.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2705089 is about 1644.7154769139. The cubic root of 2705089 is about 139.3350954553.

The spelling of 2705089 in words is "two million, seven hundred five thousand, eighty-nine".