2190984 has 16 divisors (see below), whose sum is σ = 5477520. Its totient is φ = 730320.

The previous prime is 2190983. The next prime is 2190997. The reversal of 2190984 is 4890912.

It is not an unprimeable number, because it can be changed into a prime (2190983) 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, 45622 + ... + 45669.

It is an arithmetic number, because the mean of its divisors is an integer number (342345).

2^2190984 is an apocalyptic number.

2190984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2190984 is an abundant number, since it is smaller than the sum of its proper divisors (3286536).

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

2190984 is a wasteful number, since it uses less digits than its factorization.

2190984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91300 (or 91296 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2190984 is about 1480.1972841483. The cubic root of 2190984 is about 129.8812327509.

The spelling of 2190984 in words is "two million, one hundred ninety thousand, nine hundred eighty-four".