2196756 has 36 divisors (see below), whose sum is σ = 5605600. Its totient is φ = 725328.

The previous prime is 2196749. The next prime is 2196763. The reversal of 2196756 is 6576912.

It is an interprime number because it is at equal distance from previous prime (2196749) and next prime (2196763).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2196756.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4785 + ... + 5223.

2^2196756 is an apocalyptic number.

It is an amenable number.

2196756 is an abundant number, since it is smaller than the sum of its proper divisors (3408844).

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

2196756 is a wasteful number, since it uses less digits than its factorization.

2196756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 583 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 2196756 is about 1482.1457418216. The cubic root of 2196756 is about 129.9951871986.

The spelling of 2196756 in words is "two million, one hundred ninety-six thousand, seven hundred fifty-six".