478281 has 8 divisors (see below), whose sum is σ = 643104. Its totient is φ = 316160.

The previous prime is 478273. The next prime is 478321. The reversal of 478281 is 182874.

478281 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 478281 - 2³ = 478273 is a prime.

It is a super-2 number, since 2×478281² = 457505429922, which contains 22 as substring.

478281 is strictly pandigital in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478281.

It is not an unprimeable number, because it can be changed into a prime (478241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216 + ... + 1001.

It is an arithmetic number, because the mean of its divisors is an integer number (80388).

2⁴⁷⁸²⁸¹ is an apocalyptic number.

It is an amenable number.

478281 is a deficient number, since it is larger than the sum of its proper divisors (164823).

478281 is a wasteful number, since it uses less digits than its factorization.

478281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its digits is 3584, while the sum is 30.

The square root of 478281 is about 691.5786289353. The cubic root of 478281 is about 78.2037735591.

The spelling of 478281 in words is "four hundred seventy-eight thousand, two hundred eighty-one".