442324 has 6 divisors (see below), whose sum is σ = 774074.
Its totient is φ = 221160.
The previous prime is 442319. The next prime is 442327. The reversal of 442324 is 423244.
It can be written as a sum of positive squares in only one way, i.e., 435600 + 6724 = 660^2 + 82^2
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (442327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55287 + ... + 55294.
2442324 is an apocalyptic number.
It is an amenable number.
442324 is a deficient number, since it is larger than the sum of its proper divisors (331750).
442324 is a wasteful number, since it uses less digits than its factorization.
442324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110585 (or 110583 counting only the distinct ones).
The product of its digits is 768, while the sum is 19.
The square root of 442324 is about 665.0744319247.
The cubic root of 442324 is about 76.1927241648.
Adding to 442324 its reverse (423244), we get a palindrome (865568).
The spelling of 442324 in words is "four hundred forty-two thousand, three hundred twenty-four", and thus it is an iban number.