2872184 has 48 divisors (see below), whose sum is σ = 6648480. Its totient is φ = 1155840.

The previous prime is 2872183. The next prime is 2872187. The reversal of 2872184 is 4812782.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2872184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6449 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (138510).

2^2872184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2872184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3324240).

2872184 is an abundant number, since it is smaller than the sum of its proper divisors (3776296).

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

2872184 is a wasteful number, since it uses less digits than its factorization.

2872184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 457 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2872184 is about 1694.7518992466. The cubic root of 2872184 is about 142.1469087288.

The spelling of 2872184 in words is "two million, eight hundred seventy-two thousand, one hundred eighty-four".