504987 has 16 divisors (see below), whose sum is σ = 779520. Its totient is φ = 284832.

The previous prime is 504983. The next prime is 504989. The reversal of 504987 is 789405.

It is not a de Polignac number, because 504987 - 2² = 504983 is a prime.

It is a super-3 number, since 3×504987³ = 386333037843098409, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (504983) 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, 2833 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (48720).

2⁵⁰⁴⁹⁸⁷ is an apocalyptic number.

504987 is a deficient number, since it is larger than the sum of its proper divisors (274533).

504987 is a wasteful number, since it uses less digits than its factorization.

504987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 504987 is about 710.6243733506. The cubic root of 504987 is about 79.6330590862.

It can be divided in two parts, 50498 and 7, that added together give a palindrome (50505).

The spelling of 504987 in words is "five hundred four thousand, nine hundred eighty-seven".