478286 has 8 divisors (see below), whose sum is σ = 725760. Its totient is φ = 236368.

The previous prime is 478273. The next prime is 478321. The reversal of 478286 is 682874.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

478286 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 3 ways as a sum of consecutive naturals, for example, 1166 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2⁴⁷⁸²⁸⁶ is an apocalyptic number.

478286 is a deficient number, since it is larger than the sum of its proper divisors (247474).

478286 is a wasteful number, since it uses less digits than its factorization.

478286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its digits is 21504, while the sum is 35.

The square root of 478286 is about 691.5822438438. The cubic root of 478286 is about 78.2040460750.

The spelling of 478286 in words is "four hundred seventy-eight thousand, two hundred eighty-six".