442329 has 8 divisors (see below), whose sum is σ = 592992. Its totient is φ = 293280.

The previous prime is 442327. The next prime is 442333. The reversal of 442329 is 923244.

It is a happy number.

442329 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 442329 - 2¹ = 442327 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

442329 is strictly pandigital in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 442299 and 442308.

It is not an unprimeable number, because it can be changed into a prime (442327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (74124).

2⁴⁴²³²⁹ is an apocalyptic number.

It is an amenable number.

442329 is a deficient number, since it is larger than the sum of its proper divisors (150663).

442329 is a wasteful number, since it uses less digits than its factorization.

442329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 1728, while the sum is 24.

The square root of 442329 is about 665.0781908919. The cubic root of 442329 is about 76.1930112562.

The spelling of 442329 in words is "four hundred forty-two thousand, three hundred twenty-nine".