504819 has 16 divisors (see below), whose sum is σ = 855040. Its totient is φ = 288360.

The previous prime is 504817. The next prime is 504821. The reversal of 504819 is 918405.

It is an interprime number because it is at equal distance from previous prime (504817) and next prime (504821).

It is not a de Polignac number, because 504819 - 2¹ = 504817 is a prime.

It is a super-2 number, since 2×504819² = 509684445522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 504792 and 504801.

It is not an unprimeable number, because it can be changed into a prime (504817) 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, 1147 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (53440).

2⁵⁰⁴⁸¹⁹ is an apocalyptic number.

504819 is a deficient number, since it is larger than the sum of its proper divisors (350221).

504819 is a wasteful number, since it uses less digits than its factorization.

504819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2681 counting only the distinct ones).

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

The square root of 504819 is about 710.5061576088. The cubic root of 504819 is about 79.6242272827.

The spelling of 504819 in words is "five hundred four thousand, eight hundred nineteen".