503669 has 4 divisors (see below), whose sum is σ = 506400. Its totient is φ = 500940.

The previous prime is 503663. The next prime is 503707. The reversal of 503669 is 966305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 966305 = 5 ⋅193261.

It is a cyclic number.

It is not a de Polignac number, because 503669 - 2⁴ = 503653 is a prime.

It is a super-2 number, since 2×503669² = 507364923122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503669.

It is not an unprimeable number, because it can be changed into a prime (503663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067 + ... + 1464.

It is an arithmetic number, because the mean of its divisors is an integer number (126600).

2⁵⁰³⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

503669 is a deficient number, since it is larger than the sum of its proper divisors (2731).

503669 is a wasteful number, since it uses less digits than its factorization.

503669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 503669 is about 709.6964139687. The cubic root of 503669 is about 79.5637188092.

The spelling of 503669 in words is "five hundred three thousand, six hundred sixty-nine".