478406 has 8 divisors (see below), whose sum is σ = 721224. Its totient is φ = 238000.

The previous prime is 478403. The next prime is 478411. The reversal of 478406 is 604874.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478406.

It is not an unprimeable number, because it can be changed into a prime (478403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 978.

It is an arithmetic number, because the mean of its divisors is an integer number (90153).

2⁴⁷⁸⁴⁰⁶ is an apocalyptic number.

478406 is a deficient number, since it is larger than the sum of its proper divisors (242818).

478406 is a wasteful number, since it uses less digits than its factorization.

478406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 478406 is about 691.6689959800. The cubic root of 478406 is about 78.2105858865.

The spelling of 478406 in words is "four hundred seventy-eight thousand, four hundred six".