2163384 has 24 divisors (see below), whose sum is σ = 5859360. Its totient is φ = 721104.

The previous prime is 2163361. The next prime is 2163401. The reversal of 2163384 is 4833612.

It is a happy number.

2163384 is a `hidden beast` number, since 21 + 633 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 14952 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (244140).

2^2163384 is an apocalyptic number.

2163384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2163384 is an abundant number, since it is smaller than the sum of its proper divisors (3695976).

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

2163384 is a wasteful number, since it uses less digits than its factorization.

2163384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30059 (or 30052 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2163384 is about 1470.8446552916. The cubic root of 2163384 is about 129.3335517999. Note that the first 3 decimals are identical.

Adding to 2163384 its reverse (4833612), we get a palindrome (6996996).

It can be divided in two parts, 216 and 3384, that added together give a square (3600 = 60²).

The spelling of 2163384 in words is "two million, one hundred sixty-three thousand, three hundred eighty-four".