442330 has 32 divisors (see below), whose sum is σ = 933120. Its totient is φ = 147840.

The previous prime is 442327. The next prime is 442333. The reversal of 442330 is 33244.

It is an interprime number because it is at equal distance from previous prime (442327) and next prime (442333).

It is a super-3 number, since 3×442330³ = 259633328392011000, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (442333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4926 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2⁴⁴²³³⁰ is an apocalyptic number.

442330 is an abundant number, since it is smaller than the sum of its proper divisors (490790).

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

442330 is a wasteful number, since it uses less digits than its factorization.

442330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 442330 is about 665.0789426827. The cubic root of 442330 is about 76.1930686742.

Adding to 442330 its reverse (33244), we get a palindrome (475574).

The spelling of 442330 in words is "four hundred forty-two thousand, three hundred thirty".