2189118 has 8 divisors (see below), whose sum is σ = 4378248. Its totient is φ = 729704.

The previous prime is 2189101. The next prime is 2189147. The reversal of 2189118 is 8119812.

It is a sphenic number, since it is the product of 3 distinct primes.

2189118 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182421 + ... + 182432.

It is an arithmetic number, because the mean of its divisors is an integer number (547281).

2^2189118 is an apocalyptic number.

2189118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2189118 is a wasteful number, since it uses less digits than its factorization.

2189118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364858.

The product of its digits is 1152, while the sum is 30.

The square root of 2189118 is about 1479.5668285008. The cubic root of 2189118 is about 129.8443502031.

The spelling of 2189118 in words is "two million, one hundred eighty-nine thousand, one hundred eighteen".