2099216 has 20 divisors (see below), whose sum is σ = 4648512. Its totient is φ = 899616.

The previous prime is 2099213. The next prime is 2099219. The reversal of 2099216 is 6129902.

It is an interprime number because it is at equal distance from previous prime (2099213) and next prime (2099219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9260 + ... + 9483.

2^2099216 is an apocalyptic number.

It is an amenable number.

2099216 is an abundant number, since it is smaller than the sum of its proper divisors (2549296).

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

2099216 is a wasteful number, since it uses less digits than its factorization.

2099216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18758 (or 18752 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2099216 is about 1448.8671436678. The cubic root of 2099216 is about 128.0419784189.

The spelling of 2099216 in words is "two million, ninety-nine thousand, two hundred sixteen".