2081188 has 6 divisors (see below), whose sum is σ = 3642086. Its totient is φ = 1040592.

The previous prime is 2081171. The next prime is 2081237. The reversal of 2081188 is 8811802.

2081188 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1871424 + 209764 = 1368^2 + 458^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 260145 + ... + 260152.

2^2081188 is an apocalyptic number.

It is an amenable number.

2081188 is a deficient number, since it is larger than the sum of its proper divisors (1560898).

2081188 is a wasteful number, since it uses less digits than its factorization.

2081188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520301 (or 520299 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 2081188 is about 1442.6323162885. The cubic root of 2081188 is about 127.6743839643.

The spelling of 2081188 in words is "two million, eighty-one thousand, one hundred eighty-eight".