439242 has 16 divisors (see below), whose sum is σ = 924960. Its totient is φ = 138672.

The previous prime is 439217. The next prime is 439253. The reversal of 439242 is 242934.

It is a happy number.

It is an unprimeable number.

439242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (57810).

2⁴³⁹²⁴² is an apocalyptic number.

439242 is an abundant number, since it is smaller than the sum of its proper divisors (485718).

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

439242 is a wasteful number, since it uses less digits than its factorization.

439242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877.

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

The square root of 439242 is about 662.7533477848. The cubic root of 439242 is about 76.0153477776.

The spelling of 439242 in words is "four hundred thirty-nine thousand, two hundred forty-two".