442435 has 8 divisors (see below), whose sum is σ = 606816. Its totient is φ = 303360.

The previous prime is 442399. The next prime is 442439. The reversal of 442435 is 534244.

It is a happy number.

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

It is not a de Polignac number, because 442435 - 2⁹ = 441923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6286 + ... + 6355.

It is an arithmetic number, because the mean of its divisors is an integer number (75852).

2⁴⁴²⁴³⁵ is an apocalyptic number.

442435 is a deficient number, since it is larger than the sum of its proper divisors (164381).

442435 is a wasteful number, since it uses less digits than its factorization.

442435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12653.

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

The square root of 442435 is about 665.1578759964. The cubic root of 442435 is about 76.1990970838.

Adding to 442435 its reverse (534244), we get a palindrome (976679).

Subtracting 442435 from its reverse (534244), we obtain a square (91809 = 303²).

The spelling of 442435 in words is "four hundred forty-two thousand, four hundred thirty-five".