442535 has 8 divisors (see below), whose sum is σ = 539376. Its totient is φ = 348480.

The previous prime is 442531. The next prime is 442537. The reversal of 442535 is 535244.

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

It is not a de Polignac number, because 442535 - 2² = 442531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442535.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 442535.

It is not an unprimeable number, because it can be changed into a prime (442531) 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, 326 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (67422).

2⁴⁴²⁵³⁵ is an apocalyptic number.

442535 is a deficient number, since it is larger than the sum of its proper divisors (96841).

442535 is a wasteful number, since it uses less digits than its factorization.

442535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its digits is 2400, while the sum is 23.

The square root of 442535 is about 665.2330418733. The cubic root of 442535 is about 76.2048375396.

Adding to 442535 its reverse (535244), we get a palindrome (977779).

The spelling of 442535 in words is "four hundred forty-two thousand, five hundred thirty-five".