2188036 has 24 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 984192.

The previous prime is 2188033. The next prime is 2188037. The reversal of 2188036 is 6308812.

It is a junction number, because it is equal to n+sod(n) for n = 2187995 and 2188013.

It is not an unprimeable number, because it can be changed into a prime (2188031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^2188036 is an apocalyptic number.

It is an amenable number.

2188036 is a deficient number, since it is larger than the sum of its proper divisors (2045564).

2188036 is a wasteful number, since it uses less digits than its factorization.

2188036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2188036 is about 1479.2011357486. The cubic root of 2188036 is about 129.8229542588.

The spelling of 2188036 in words is "two million, one hundred eighty-eight thousand, thirty-six".