478089 has 8 divisors (see below), whose sum is σ = 708320. Its totient is φ = 318708.

The previous prime is 478087. The next prime is 478099. The reversal of 478089 is 980874.

It is not a de Polignac number, because 478089 - 2¹ = 478087 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

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 7 ways as a sum of consecutive naturals, for example, 8827 + ... + 8880.

It is an arithmetic number, because the mean of its divisors is an integer number (88540).

2⁴⁷⁸⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

478089 is a deficient number, since it is larger than the sum of its proper divisors (230231).

478089 is a wasteful number, since it uses less digits than its factorization.

478089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17716 (or 17710 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 478089 is about 691.4398021520. The cubic root of 478089 is about 78.1933075122.

The spelling of 478089 in words is "four hundred seventy-eight thousand, eighty-nine".