503606 has 8 divisors (see below), whose sum is σ = 769824. Its totient is φ = 247000.

The previous prime is 503599. The next prime is 503609. The reversal of 503606 is 606305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503609) by changing a digit.

503606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2270 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (96228).

2⁵⁰³⁶⁰⁶ is an apocalyptic number.

503606 is a deficient number, since it is larger than the sum of its proper divisors (266218).

503606 is a wasteful number, since it uses less digits than its factorization.

503606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 503606 is about 709.6520274050. The cubic root of 503606 is about 79.5604013372.

It can be divided in two parts, 50 and 3606, that multiplied together give a triangular number (180300 = T₆₀₀).

The spelling of 503606 in words is "five hundred three thousand, six hundred six".