478418 has 8 divisors (see below), whose sum is σ = 734448. Its totient is φ = 233604.

The previous prime is 478417. The next prime is 478421. The reversal of 478418 is 814874.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478418.

It is not an unprimeable number, because it can be changed into a prime (478411) 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, 2696 + ... + 2867.

It is an arithmetic number, because the mean of its divisors is an integer number (91806).

2⁴⁷⁸⁴¹⁸ is an apocalyptic number.

478418 is a deficient number, since it is larger than the sum of its proper divisors (256030).

478418 is a wasteful number, since it uses less digits than its factorization.

478418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608.

The product of its digits is 7168, while the sum is 32.

The square root of 478418 is about 691.6776705952. The cubic root of 478418 is about 78.2112398075.

The spelling of 478418 in words is "four hundred seventy-eight thousand, four hundred eighteen".