442604 has 6 divisors (see below), whose sum is σ = 774564. Its totient is φ = 221300.

The previous prime is 442601. The next prime is 442609. The reversal of 442604 is 406244.

It is not an unprimeable number, because it can be changed into a prime (442601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55322 + ... + 55329.

It is an arithmetic number, because the mean of its divisors is an integer number (129094).

2⁴⁴²⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

442604 is a deficient number, since it is larger than the sum of its proper divisors (331960).

442604 is a wasteful number, since it uses less digits than its factorization.

442604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110655 (or 110653 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442604 is about 665.2849013768. The cubic root of 442604 is about 76.2087979499.

Adding to 442604 its reverse (406244), we get a palindrome (848848).

The spelling of 442604 in words is "four hundred forty-two thousand, six hundred four".