478285 has 8 divisors (see below), whose sum is σ = 599040. Its totient is φ = 365904.

The previous prime is 478273. The next prime is 478321. The reversal of 478285 is 582874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478285 - 2⁵ = 478253 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 478285.

It is a congruent number.

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, 1965 + ... + 2194.

It is an arithmetic number, because the mean of its divisors is an integer number (74880).

2⁴⁷⁸²⁸⁵ is an apocalyptic number.

It is an amenable number.

478285 is a deficient number, since it is larger than the sum of its proper divisors (120755).

478285 is a wasteful number, since it uses less digits than its factorization.

478285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187.

The product of its digits is 17920, while the sum is 34.

The square root of 478285 is about 691.5815208636. The cubic root of 478285 is about 78.2039915720.

The spelling of 478285 in words is "four hundred seventy-eight thousand, two hundred eighty-five".