500478 has 16 divisors (see below), whose sum is σ = 1092096. Its totient is φ = 151640.

The previous prime is 500473. The next prime is 500483. The reversal of 500478 is 874005.

It is an interprime number because it is at equal distance from previous prime (500473) and next prime (500483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500471) by changing a digit.

500478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3726 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (68256).

2⁵⁰⁰⁴⁷⁸ is an apocalyptic number.

500478 is an abundant number, since it is smaller than the sum of its proper divisors (591618).

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

500478 is a wasteful number, since it uses less digits than its factorization.

500478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 500478 is about 707.4446974853. Note that the first 3 decimals coincide. The cubic root of 500478 is about 79.3953371329.

The spelling of 500478 in words is "five hundred thousand, four hundred seventy-eight".