442316 has 12 divisors (see below), whose sum is σ = 884688. Its totient is φ = 189552.

The previous prime is 442291. The next prime is 442319. The reversal of 442316 is 613244.

It is a happy number.

442316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

442316 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁴ + 4⁹ + 3⁷ + 2¹⁷ + 1 + 6⁶ .

It is not an unprimeable number, because it can be changed into a prime (442319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7871 + ... + 7926.

It is an arithmetic number, because the mean of its divisors is an integer number (73724).

2⁴⁴²³¹⁶ is an apocalyptic number.

It is an amenable number.

442316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

442316 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 13 representation: 442316 = (126434)₁₃.

442316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15808 (or 15806 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 442316 is about 665.0684175331. The cubic root of 442316 is about 76.1922648142.

The spelling of 442316 in words is "four hundred forty-two thousand, three hundred sixteen".