504342 has 12 divisors (see below), whose sum is σ = 1092780. Its totient is φ = 168108.

The previous prime is 504337. The next prime is 504349. The reversal of 504342 is 243405.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 28019 = 504342 / (5 + 0 + 4 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504349) by changing a digit.

504342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13992 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (91065).

2⁵⁰⁴³⁴² is an apocalyptic number.

504342 is an abundant number, since it is smaller than the sum of its proper divisors (588438).

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

504342 is a wasteful number, since it uses less digits than its factorization.

504342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28027 (or 28024 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 504342 is about 710.1704020867. The cubic root of 504342 is about 79.5991405848.

Adding to 504342 its reverse (243405), we get a palindrome (747747).

The spelling of 504342 in words is "five hundred four thousand, three hundred forty-two".