2196992 has 40 divisors (see below), whose sum is σ = 5024976. Its totient is φ = 940032.

The previous prime is 2196979. The next prime is 2197021. The reversal of 2196992 is 2996912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278 + ... + 3890.

2^2196992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512488).

2196992 is an abundant number, since it is smaller than the sum of its proper divisors (2827984).

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

2196992 is an frugal number, since it uses more digits than its factorization.

2196992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 622 counting only the distinct ones).

The product of its digits is 17496, while the sum is 38.

The square root of 2196992 is about 1482.2253539864. The cubic root of 2196992 is about 129.9998422089. Note that the first 3 decimals are identical.

The spelling of 2196992 in words is "two million, one hundred ninety-six thousand, nine hundred ninety-two".