2196642 has 16 divisors (see below), whose sum is σ = 5020992. Its totient is φ = 627600.

The previous prime is 2196641. The next prime is 2196659. The reversal of 2196642 is 2466912.

It is not an unprimeable number, because it can be changed into a prime (2196641) 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, 26109 + ... + 26192.

It is an arithmetic number, because the mean of its divisors is an integer number (313812).

2^2196642 is an apocalyptic number.

2196642 is an abundant number, since it is smaller than the sum of its proper divisors (2824350).

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

2196642 is a wasteful number, since it uses less digits than its factorization.

2196642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52313.

The product of its digits is 5184, while the sum is 30.

The square root of 2196642 is about 1482.1072835662. The cubic root of 2196642 is about 129.9929384724.

The spelling of 2196642 in words is "two million, one hundred ninety-six thousand, six hundred forty-two".