478506 has 16 divisors (see below), whose sum is σ = 1093824. Its totient is φ = 136704.

The previous prime is 478493. The next prime is 478523. The reversal of 478506 is 605874.

It is a happy number.

478506 is nontrivially palindromic in base 5.

478506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478506.

It is an unprimeable number.

478506 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5655 + ... + 5738.

It is an arithmetic number, because the mean of its divisors is an integer number (68364).

2⁴⁷⁸⁵⁰⁶ is an apocalyptic number.

478506 is an abundant number, since it is smaller than the sum of its proper divisors (615318).

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

478506 is a wasteful number, since it uses less digits than its factorization.

478506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11405.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 478506 is about 691.7412811160. The cubic root of 478506 is about 78.2160348940.

The spelling of 478506 in words is "four hundred seventy-eight thousand, five hundred six".