478705 has 8 divisors (see below), whose sum is σ = 604800. Its totient is φ = 362736.

The previous prime is 478697. The next prime is 478711. The reversal of 478705 is 507874.

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 478705 - 2³ = 478697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2⁴⁷⁸⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

478705 is a deficient number, since it is larger than the sum of its proper divisors (126095).

478705 is a wasteful number, since it uses less digits than its factorization.

478705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 478705 is about 691.8851060689. The cubic root of 478705 is about 78.2268761609.

The spelling of 478705 in words is "four hundred seventy-eight thousand, seven hundred five".