442208 has 24 divisors (see below), whose sum is σ = 938448. Its totient is φ = 203904.

The previous prime is 442207. The next prime is 442217. The reversal of 442208 is 802244.

It is a self number, because there is not a number n which added to its sum of digits gives 442208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442201) 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, 116 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (39102).

2⁴⁴²²⁰⁸ is an apocalyptic number.

It is an amenable number.

442208 is an abundant number, since it is smaller than the sum of its proper divisors (496240).

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

442208 is a wasteful number, since it uses less digits than its factorization.

442208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442208 is about 664.9872179223. The cubic root of 442208 is about 76.1860630380.

The spelling of 442208 in words is "four hundred forty-two thousand, two hundred eight".