2095909 has 4 divisors (see below), whose sum is σ = 2206240. Its totient is φ = 1985580.

The previous prime is 2095867. The next prime is 2095927. The reversal of 2095909 is 9095902.

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 2095909 - 2⁹ = 2095397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2095969) 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, 55137 + ... + 55174.

It is an arithmetic number, because the mean of its divisors is an integer number (551560).

2^2095909 is an apocalyptic number.

It is an amenable number.

2095909 is a deficient number, since it is larger than the sum of its proper divisors (110331).

2095909 is a wasteful number, since it uses less digits than its factorization.

2095909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110330.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 2095909 is about 1447.7254573986. The cubic root of 2095909 is about 127.9747061023.

The spelling of 2095909 in words is "two million, ninety-five thousand, nine hundred nine".