2184920 has 16 divisors (see below), whose sum is σ = 4916160. Its totient is φ = 873952.

The previous prime is 2184913. The next prime is 2184929. The reversal of 2184920 is 294812.

2184920 is nontrivially palindromic in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2184920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184929) 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, 27272 + ... + 27351.

It is an arithmetic number, because the mean of its divisors is an integer number (307260).

2^2184920 is an apocalyptic number.

2184920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2184920 is an abundant number, since it is smaller than the sum of its proper divisors (2731240).

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

2184920 is a wasteful number, since it uses less digits than its factorization.

2184920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54634 (or 54630 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2184920 is about 1478.1474892581. The cubic root of 2184920 is about 129.7612976700.

The spelling of 2184920 in words is "two million, one hundred eighty-four thousand, nine hundred twenty".