442359 has 12 divisors (see below), whose sum is σ = 667056. Its totient is φ = 281952.

The previous prime is 442333. The next prime is 442363. The reversal of 442359 is 953244.

It is not a de Polignac number, because 442359 - 2⁵ = 442327 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 862 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (55588).

442359 is a Friedman number, since it can be written as 432*4^5-9, using all its digits and the basic arithmetic operations.

2⁴⁴²³⁵⁹ is an apocalyptic number.

442359 is a deficient number, since it is larger than the sum of its proper divisors (224697).

442359 is a wasteful number, since it uses less digits than its factorization.

442359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2163 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 442359 is about 665.1007442486. The cubic root of 442359 is about 76.1947337589.

It can be divided in two parts, 44235 and 9, that added together give a palindrome (44244).

The spelling of 442359 in words is "four hundred forty-two thousand, three hundred fifty-nine".