442163 has 8 divisors (see below), whose sum is σ = 465600. Its totient is φ = 419328.

The previous prime is 442157. The next prime is 442171. The reversal of 442163 is 361244.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 442163 - 2⁴ = 442147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442193) 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 7 ways as a sum of consecutive naturals, for example, 2195 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (58200).

2⁴⁴²¹⁶³ is an apocalyptic number.

442163 is a deficient number, since it is larger than the sum of its proper divisors (23437).

442163 is a wasteful number, since it uses less digits than its factorization.

442163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

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

The square root of 442163 is about 664.9533818246. The cubic root of 442163 is about 76.1834786666.

The spelling of 442163 in words is "four hundred forty-two thousand, one hundred sixty-three".