503949 has 8 divisors (see below), whose sum is σ = 676512. Its totient is φ = 333680.

The previous prime is 503947. The next prime is 503959. The reversal of 503949 is 949305.

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

It is a cyclic number.

It is not a de Polignac number, because 503949 - 2¹ = 503947 is a prime.

It is an Ulam number.

503949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (84564).

2⁵⁰³⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

503949 is a deficient number, since it is larger than the sum of its proper divisors (172563).

503949 is a wasteful number, since it uses less digits than its factorization.

503949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 503949 is about 709.8936540074. The cubic root of 503949 is about 79.5784597828.

It can be divided in two parts, 50394 and 9, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 503949 in words is "five hundred three thousand, nine hundred forty-nine".