504769 has 4 divisors (see below), whose sum is σ = 506196. Its totient is φ = 503344.

The previous prime is 504767. The next prime is 504787. The reversal of 504769 is 967405.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 69169 + 435600 = 263^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 504769 - 2¹ = 504767 is a prime.

It is a super-2 number, since 2×504769² = 509583486722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

504769 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 504769.

It is not an unprimeable number, because it can be changed into a prime (504767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267 + ... + 1039.

It is an arithmetic number, because the mean of its divisors is an integer number (126549).

2⁵⁰⁴⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

504769 is a deficient number, since it is larger than the sum of its proper divisors (1427).

504769 is an equidigital number, since it uses as much as digits as its factorization.

504769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 504769 is about 710.4709705540. The cubic root of 504769 is about 79.6215983915.

The spelling of 504769 in words is "five hundred four thousand, seven hundred sixty-nine".