504090 has 32 divisors (see below), whose sum is σ = 1344960. Its totient is φ = 134352.

The previous prime is 504073. The next prime is 504103. The reversal of 504090 is 90405.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 504090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664 + ... + 1203.

It is an arithmetic number, because the mean of its divisors is an integer number (42030).

2⁵⁰⁴⁰⁹⁰ is an apocalyptic number.

504090 is an abundant number, since it is smaller than the sum of its proper divisors (840870).

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

504090 is a wasteful number, since it uses less digits than its factorization.

504090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 504090 is about 709.9929577116. The cubic root of 504090 is about 79.5858808489.

Adding to 504090 its reverse (90405), we get a palindrome (594495).

The spelling of 504090 in words is "five hundred four thousand, ninety".