442534 has 8 divisors (see below), whose sum is σ = 668160. Its totient is φ = 219816.

The previous prime is 442531. The next prime is 442537. The reversal of 442534 is 435244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442531) and next prime (442537).

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 294 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (83520).

2⁴⁴²⁵³⁴ is an apocalyptic number.

442534 is a deficient number, since it is larger than the sum of its proper divisors (225626).

442534 is a wasteful number, since it uses less digits than its factorization.

442534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454.

The product of its digits is 1920, while the sum is 22.

The square root of 442534 is about 665.2322902566. The cubic root of 442534 is about 76.2047801393.

Adding to 442534 its reverse (435244), we get a palindrome (877778).

The spelling of 442534 in words is "four hundred forty-two thousand, five hundred thirty-four".