478394 has 8 divisors (see below), whose sum is σ = 820128. Its totient is φ = 205020.

The previous prime is 478391. The next prime is 478399. The reversal of 478394 is 493874.

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

It is a Curzon number.

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 478394.

It is not an unprimeable number, because it can be changed into a prime (478391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17072 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (102516).

2⁴⁷⁸³⁹⁴ is an apocalyptic number.

478394 is a deficient number, since it is larger than the sum of its proper divisors (341734).

478394 is a wasteful number, since it uses less digits than its factorization.

478394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34180.

The product of its digits is 24192, while the sum is 35.

The square root of 478394 is about 691.6603212560. The cubic root of 478394 is about 78.2099319545.

The spelling of 478394 in words is "four hundred seventy-eight thousand, three hundred ninety-four".