500840 has 32 divisors (see below), whose sum is σ = 1188000. Its totient is φ = 189504.

The previous prime is 500839. The next prime is 500861. The reversal of 500840 is 48005.

500840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 1089.

It is an arithmetic number, because the mean of its divisors is an integer number (37125).

2⁵⁰⁰⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594000).

500840 is an abundant number, since it is smaller than the sum of its proper divisors (687160).

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

500840 is a wasteful number, since it uses less digits than its factorization.

500840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 500840 is about 707.7005016248. The cubic root of 500840 is about 79.4144749606.

Adding to 500840 its reverse (48005), we get a palindrome (548845).

The spelling of 500840 in words is "five hundred thousand, eight hundred forty".