2199984 has 20 divisors (see below), whose sum is σ = 5683416. Its totient is φ = 733312.

The previous prime is 2199979. The next prime is 2200013. The reversal of 2199984 is 4899912.

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, 22869 + ... + 22964.

2^2199984 is an apocalyptic number.

2199984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2199984 is an abundant number, since it is smaller than the sum of its proper divisors (3483432).

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

2199984 is a wasteful number, since it uses less digits than its factorization.

2199984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45844 (or 45838 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 2199984 is about 1483.2343038104. The cubic root of 2199984 is about 130.0588293895.

The spelling of 2199984 in words is "two million, one hundred ninety-nine thousand, nine hundred eighty-four".