478005 has 16 divisors (see below), whose sum is σ = 834624. Its totient is φ = 231680.

The previous prime is 478001. The next prime is 478039. The reversal of 478005 is 500874.

It is not a de Polignac number, because 478005 - 2² = 478001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478001) by changing a digit.

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, 1284 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (52164).

2⁴⁷⁸⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

478005 is a deficient number, since it is larger than the sum of its proper divisors (356619).

478005 is a wasteful number, since it uses less digits than its factorization.

478005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916.

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

The square root of 478005 is about 691.3790566686. The cubic root of 478005 is about 78.1887277355.

Adding to 478005 its reverse (500874), we get a palindrome (978879).

The spelling of 478005 in words is "four hundred seventy-eight thousand, five".