2184955 has 8 divisors (see below), whose sum is σ = 2633904. Its totient is φ = 1740000.

The previous prime is 2184929. The next prime is 2184967. The reversal of 2184955 is 5594812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2184955 - 2⁷ = 2184827 is a prime.

It is a Duffinian number.

2184955 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2184955.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 385 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (329238).

2^2184955 is an apocalyptic number.

2184955 is a deficient number, since it is larger than the sum of its proper divisors (448949).

2184955 is a wasteful number, since it uses less digits than its factorization.

2184955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997.

The product of its digits is 14400, while the sum is 34.

The square root of 2184955 is about 1478.1593283540. The cubic root of 2184955 is about 129.7619905437.

It can be divided in two parts, 21849 and 55, that added together give a square (21904 = 148²).

The spelling of 2184955 in words is "two million, one hundred eighty-four thousand, nine hundred fifty-five".