504140 has 48 divisors (see below), whose sum is σ = 1307712. Its totient is φ = 158976.

The previous prime is 504139. The next prime is 504143. The reversal of 504140 is 41405.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (504143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (27244).

2⁵⁰⁴¹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653856).

504140 is an abundant number, since it is smaller than the sum of its proper divisors (803572).

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

504140 is a wasteful number, since it uses less digits than its factorization.

504140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 504140 is about 710.0281684553. The cubic root of 504140 is about 79.5885121002.

Adding to 504140 its reverse (41405), we get a palindrome (545545).

The spelling of 504140 in words is "five hundred four thousand, one hundred forty".