2184216 has 16 divisors (see below), whose sum is σ = 5460600. Its totient is φ = 728064.

The previous prime is 2184209. The next prime is 2184223. The reversal of 2184216 is 6124812.

It is an interprime number because it is at equal distance from previous prime (2184209) and next prime (2184223).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 91009 = 2184216 / (2 + 1 + 8 + 4 + 2 + 1 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45481 + ... + 45528.

2^2184216 is an apocalyptic number.

It is an amenable number.

2184216 is an abundant number, since it is smaller than the sum of its proper divisors (3276384).

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

2184216 is a wasteful number, since it uses less digits than its factorization.

2184216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91018 (or 91014 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 2184216 is about 1477.9093341609. The cubic root of 2184216 is about 129.7473594378.

The spelling of 2184216 in words is "two million, one hundred eighty-four thousand, two hundred sixteen".