442184 has 16 divisors (see below), whose sum is σ = 856320. Its totient is φ = 213840.

The previous prime is 442181. The next prime is 442193. The reversal of 442184 is 481244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (53520).

2⁴⁴²¹⁸⁴ is an apocalyptic number.

It is an amenable number.

442184 is a deficient number, since it is larger than the sum of its proper divisors (414136).

442184 is a wasteful number, since it uses less digits than its factorization.

442184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1816 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 442184 is about 664.9691722178. The cubic root of 442184 is about 76.1846847284.

Subtracting 442184 from its reverse (481244), we obtain a triangular number (39060 = T₂₇₉).

It can be divided in two parts, 442 and 184, that added together give a palindrome (626).

The spelling of 442184 in words is "four hundred forty-two thousand, one hundred eighty-four".