2094909 has 16 divisors (see below), whose sum is σ = 2954112. Its totient is φ = 1317888.

The previous prime is 2094847. The next prime is 2094929. The reversal of 2094909 is 9094902.

It is a happy number.

It is not a de Polignac number, because 2094909 - 2¹¹ = 2092861 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2094909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2094929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6537 + ... + 6849.

It is an arithmetic number, because the mean of its divisors is an integer number (184632).

2^2094909 is an apocalyptic number.

It is an amenable number.

2094909 is a deficient number, since it is larger than the sum of its proper divisors (859203).

2094909 is a wasteful number, since it uses less digits than its factorization.

2094909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2094909 is about 1447.3800468433. The cubic root of 2094909 is about 127.9543497693.

It can be divided in two parts, 2094 and 909, that added together give a palindrome (3003).

The spelling of 2094909 in words is "two million, ninety-four thousand, nine hundred nine".