500490 has 48 divisors (see below), whose sum is σ = 1336608. Its totient is φ = 129888.

The previous prime is 500483. The next prime is 500501. The reversal of 500490 is 94005.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 500490.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5989 + ... + 6071.

It is an arithmetic number, because the mean of its divisors is an integer number (27846).

2⁵⁰⁰⁴⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668304).

500490 is an abundant number, since it is smaller than the sum of its proper divisors (836118).

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

500490 is a wasteful number, since it uses less digits than its factorization.

500490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 500490 is about 707.4531786627. The cubic root of 500490 is about 79.3959716839.

Adding to 500490 its reverse (94005), we get a palindrome (594495).

It can be divided in two parts, 500 and 490, that added together give a triangular number (990 = T₄₄).

The spelling of 500490 in words is "five hundred thousand, four hundred ninety".