503394 has 16 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 164528.

The previous prime is 503389. The next prime is 503407. The reversal of 503394 is 493305.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503394.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 474 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (64152).

2⁵⁰³³⁹⁴ is an apocalyptic number.

503394 is an abundant number, since it is smaller than the sum of its proper divisors (523038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503394 is a wasteful number, since it uses less digits than its factorization.

503394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 503394 is about 709.5026427012. The cubic root of 503394 is about 79.5492357485.

Adding to 503394 its reverse (493305), we get a palindrome (996699).

The spelling of 503394 in words is "five hundred three thousand, three hundred ninety-four".