478605 has 8 divisors (see below), whose sum is σ = 765792. Its totient is φ = 255248.

The previous prime is 478603. The next prime is 478627. The reversal of 478605 is 506874.

It is a happy number.

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 478605 - 2¹ = 478603 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15939 + ... + 15968.

It is an arithmetic number, because the mean of its divisors is an integer number (95724).

2⁴⁷⁸⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

478605 is a deficient number, since it is larger than the sum of its proper divisors (287187).

478605 is a wasteful number, since it uses less digits than its factorization.

478605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31915.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 478605 is about 691.8128359607. The cubic root of 478605 is about 78.2214286637.

The spelling of 478605 in words is "four hundred seventy-eight thousand, six hundred five".