2209984 has 28 divisors (see below), whose sum is σ = 5012944. Its totient is φ = 946944.

The previous prime is 2209979. The next prime is 2209993. The reversal of 2209984 is 4899022.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019 + ... + 2914.

2^2209984 is an apocalyptic number.

It is an amenable number.

2209984 is an abundant number, since it is smaller than the sum of its proper divisors (2802960).

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

2209984 is an equidigital number, since it uses as much as digits as its factorization.

2209984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952 (or 4942 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2209984 is about 1486.6014933398. The cubic root of 2209984 is about 130.2555918284.

The spelling of 2209984 in words is "two million, two hundred nine thousand, nine hundred eighty-four".