478284 has 12 divisors (see below), whose sum is σ = 1116024. Its totient is φ = 159424.

The previous prime is 478273. The next prime is 478321. The reversal of 478284 is 482874.

478284 = 241² + 242² + ... + 248².

It is a tau number, because it is divible by the number of its divisors (12).

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 478284.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19917 + ... + 19940.

It is an arithmetic number, because the mean of its divisors is an integer number (93002).

2⁴⁷⁸²⁸⁴ is an apocalyptic number.

It is an amenable number.

478284 is an abundant number, since it is smaller than the sum of its proper divisors (637740).

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

478284 is a wasteful number, since it uses less digits than its factorization.

478284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39864 (or 39862 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 478284 is about 691.5807978826. The cubic root of 478284 is about 78.2039370689.

The spelling of 478284 in words is "four hundred seventy-eight thousand, two hundred eighty-four".