478559 has 4 divisors (see below), whose sum is σ = 480216. Its totient is φ = 476904.

The previous prime is 478531. The next prime is 478571. The reversal of 478559 is 955874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (120054).

2⁴⁷⁸⁵⁵⁹ is an apocalyptic number.

478559 is a deficient number, since it is larger than the sum of its proper divisors (1657).

478559 is a wasteful number, since it uses less digits than its factorization.

478559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656.

The product of its digits is 50400, while the sum is 38.

The square root of 478559 is about 691.7795891756. The cubic root of 478559 is about 78.2189225602.

The spelling of 478559 in words is "four hundred seventy-eight thousand, five hundred fifty-nine".