504891 has 6 divisors (see below), whose sum is σ = 729300. Its totient is φ = 336588.

The previous prime is 504877. The next prime is 504893. The reversal of 504891 is 198405.

It is not a de Polignac number, because 504891 - 2⁹ = 504379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28041 + ... + 28058.

It is an arithmetic number, because the mean of its divisors is an integer number (121550).

2⁵⁰⁴⁸⁹¹ is an apocalyptic number.

504891 is a deficient number, since it is larger than the sum of its proper divisors (224409).

504891 is a wasteful number, since it uses less digits than its factorization.

504891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56105 (or 56102 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 504891 is about 710.5568239064. The cubic root of 504891 is about 79.6280125813.

The spelling of 504891 in words is "five hundred four thousand, eight hundred ninety-one".