2196886 has 4 divisors (see below), whose sum is σ = 3295332. Its totient is φ = 1098442.

The previous prime is 2196881. The next prime is 2196889. The reversal of 2196886 is 6886912.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549220 + ... + 549223.

It is an arithmetic number, because the mean of its divisors is an integer number (823833).

2^2196886 is an apocalyptic number.

2196886 is a deficient number, since it is larger than the sum of its proper divisors (1098446).

2196886 is a wasteful number, since it uses less digits than its factorization.

2196886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098445.

The product of its digits is 41472, while the sum is 40.

The square root of 2196886 is about 1482.1895965092. The cubic root of 2196886 is about 129.9977514404.

The spelling of 2196886 in words is "two million, one hundred ninety-six thousand, eight hundred eighty-six".