478405 has 8 divisors (see below), whose sum is σ = 578592. Its totient is φ = 379728.

The previous prime is 478403. The next prime is 478411. The reversal of 478405 is 504874.

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 478405 - 2¹ = 478403 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 522 + ... + 1108.

It is an arithmetic number, because the mean of its divisors is an integer number (72324).

2⁴⁷⁸⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

478405 is a deficient number, since it is larger than the sum of its proper divisors (100187).

478405 is a wasteful number, since it uses less digits than its factorization.

478405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 478405 is about 691.6682730905. The cubic root of 478405 is about 78.2105313926.

The spelling of 478405 in words is "four hundred seventy-eight thousand, four hundred five".