504042 has 32 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 130800.

The previous prime is 504017. The next prime is 504047. The reversal of 504042 is 240405.

It is not an unprimeable number, because it can be changed into a prime (504047) by changing a digit.

504042 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 15 ways as a sum of consecutive naturals, for example, 84 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁵⁰⁴⁰⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628992).

504042 is an abundant number, since it is smaller than the sum of its proper divisors (753942).

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

504042 is a wasteful number, since it uses less digits than its factorization.

504042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 504042 is about 709.9591537546. The cubic root of 504042 is about 79.5833546839.

Adding to 504042 its reverse (240405), we get a palindrome (744447).

The spelling of 504042 in words is "five hundred four thousand, forty-two".