478085 has 4 divisors (see below), whose sum is σ = 573708. Its totient is φ = 382464.

The previous prime is 478069. The next prime is 478087. The reversal of 478085 is 580874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134689 + 343396 = 367^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 478085 - 2⁴ = 478069 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478085.

It is not an unprimeable number, because it can be changed into a prime (478087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47804 + ... + 47813.

It is an arithmetic number, because the mean of its divisors is an integer number (143427).

2⁴⁷⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

478085 is a deficient number, since it is larger than the sum of its proper divisors (95623).

478085 is an equidigital number, since it uses as much as digits as its factorization.

478085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95622.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 478085 is about 691.4369096310. The cubic root of 478085 is about 78.1930894398.

The spelling of 478085 in words is "four hundred seventy-eight thousand, eighty-five".