2184879 has 4 divisors (see below), whose sum is σ = 2913176. Its totient is φ = 1456584.

The previous prime is 2184877. The next prime is 2184881. The reversal of 2184879 is 9784812.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2184877) and next prime (2184881).

It is not a de Polignac number, because 2184879 - 2¹ = 2184877 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184877) 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, 364144 + ... + 364149.

It is an arithmetic number, because the mean of its divisors is an integer number (728294).

2^2184879 is an apocalyptic number.

2184879 is a deficient number, since it is larger than the sum of its proper divisors (728297).

2184879 is an equidigital number, since it uses as much as digits as its factorization.

2184879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728296.

The product of its digits is 32256, while the sum is 39.

The square root of 2184879 is about 1478.1336204823. The cubic root of 2184879 is about 129.7604860085.

The spelling of 2184879 in words is "two million, one hundred eighty-four thousand, eight hundred seventy-nine".