2196636 has 24 divisors (see below), whose sum is σ = 5520144. Its totient is φ = 675840.

The previous prime is 2196619. The next prime is 2196641. The reversal of 2196636 is 6366912.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2196597 and 2196606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6885 + ... + 7196.

It is an arithmetic number, because the mean of its divisors is an integer number (230006).

2^2196636 is an apocalyptic number.

2196636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2196636 is an abundant number, since it is smaller than the sum of its proper divisors (3323508).

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

2196636 is a wasteful number, since it uses less digits than its factorization.

2196636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101 (or 14099 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 2196636 is about 1482.1052594199. The cubic root of 2196636 is about 129.9928201163.

The spelling of 2196636 in words is "two million, one hundred ninety-six thousand, six hundred thirty-six".