478408 has 16 divisors (see below), whose sum is σ = 1025280. Its totient is φ = 205008.

The previous prime is 478403. The next prime is 478411. The reversal of 478408 is 804874.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 478408.

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

478408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4216 + ... + 4327.

It is an arithmetic number, because the mean of its divisors is an integer number (64080).

2⁴⁷⁸⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

478408 is an abundant number, since it is smaller than the sum of its proper divisors (546872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478408 is a wasteful number, since it uses less digits than its factorization.

478408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8556 (or 8552 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 478408 is about 691.6704417568. The cubic root of 478408 is about 78.2106948741.

The spelling of 478408 in words is "four hundred seventy-eight thousand, four hundred eight".