478671 has 8 divisors (see below), whose sum is σ = 658944. Its totient is φ = 308760.

The previous prime is 478651. The next prime is 478679. The reversal of 478671 is 176874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-478671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478679) 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 7 ways as a sum of consecutive naturals, for example, 2481 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (82368).

2⁴⁷⁸⁶⁷¹ is an apocalyptic number.

478671 is a deficient number, since it is larger than the sum of its proper divisors (180273).

478671 is a wasteful number, since it uses less digits than its factorization.

478671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181.

The product of its digits is 9408, while the sum is 33.

The square root of 478671 is about 691.8605350791. The cubic root of 478671 is about 78.2250240970.

The spelling of 478671 in words is "four hundred seventy-eight thousand, six hundred seventy-one".