2009118 has 16 divisors (see below), whose sum is σ = 4058496. Its totient is φ = 663000.

The previous prime is 2009113. The next prime is 2009167. The reversal of 2009118 is 8119002.

It is a junction number, because it is equal to n+sod(n) for n = 2009094 and 2009103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009113) 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 7 ways as a sum of consecutive naturals, for example, 1008 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (253656).

2^2009118 is an apocalyptic number.

2009118 is an abundant number, since it is smaller than the sum of its proper divisors (2049378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2009118 is a wasteful number, since it uses less digits than its factorization.

2009118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2009118 is about 1417.4335963282. The cubic root of 2009118 is about 126.1832807619.

The spelling of 2009118 in words is "two million, nine thousand, one hundred eighteen".