2196988 has 6 divisors (see below), whose sum is σ = 3844736. Its totient is φ = 1098492.

The previous prime is 2196979. The next prime is 2197021. The reversal of 2196988 is 8896912.

It is a happy number.

2196988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274620 + ... + 274627.

2^2196988 is an apocalyptic number.

It is an amenable number.

2196988 is a deficient number, since it is larger than the sum of its proper divisors (1647748).

2196988 is a wasteful number, since it uses less digits than its factorization.

2196988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549251 (or 549249 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 2196988 is about 1482.2240046633. The cubic root of 2196988 is about 129.9997633132. Note that the first 3 decimals are identical.

The spelling of 2196988 in words is "two million, one hundred ninety-six thousand, nine hundred eighty-eight".