2187196 has 18 divisors (see below), whose sum is σ = 4208120. Its totient is φ = 993960.

The previous prime is 2187193. The next prime is 2187197. The reversal of 2187196 is 6917812.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1776 + ... + 2743.

2^2187196 is an apocalyptic number.

It is an amenable number.

2187196 is a deficient number, since it is larger than the sum of its proper divisors (2020924).

2187196 is a wasteful number, since it uses less digits than its factorization.

2187196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545 (or 4532 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 2187196 is about 1478.9171714467. The cubic root of 2187196 is about 129.8063388650.

The spelling of 2187196 in words is "two million, one hundred eighty-seven thousand, one hundred ninety-six".