503490 has 32 divisors (see below), whose sum is σ = 1302336. Its totient is φ = 123840.

The previous prime is 503483. The next prime is 503501. The reversal of 503490 is 94305.

It is an alternating number because its digits alternate between odd and even.

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 15 ways as a sum of consecutive naturals, for example, 256 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (40698).

2⁵⁰³⁴⁹⁰ is an apocalyptic number.

503490 is an abundant number, since it is smaller than the sum of its proper divisors (798846).

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

503490 is a wasteful number, since it uses less digits than its factorization.

503490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 503490 is about 709.5702925010. The cubic root of 503490 is about 79.5542922525.

Adding to 503490 its reverse (94305), we get a palindrome (597795).

The spelling of 503490 in words is "five hundred three thousand, four hundred ninety".