2199684 has 12 divisors (see below), whose sum is σ = 5132624. Its totient is φ = 733224.

The previous prime is 2199683. The next prime is 2199689. The reversal of 2199684 is 4869912.

2199684 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2199683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91642 + ... + 91665.

2^2199684 is an apocalyptic number.

It is an amenable number.

2199684 is an abundant number, since it is smaller than the sum of its proper divisors (2932940).

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

2199684 is a wasteful number, since it uses less digits than its factorization.

2199684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183314 (or 183312 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 2199684 is about 1483.1331700154. The cubic root of 2199684 is about 130.0529173128.

The spelling of 2199684 in words is "two million, one hundred ninety-nine thousand, six hundred eighty-four".