478346 has 16 divisors (see below), whose sum is σ = 829440. Its totient is φ = 204480.

The previous prime is 478343. The next prime is 478351. The reversal of 478346 is 643874.

It is a happy number.

It is a d-powerful number, because it can be written as 4⁸ + 7⁶ + 3⁵ + 8⁵ + 4⁹ + 6 .

It is not an unprimeable number, because it can be changed into a prime (478343) 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, 266 + ... + 1013.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2⁴⁷⁸³⁴⁶ is an apocalyptic number.

478346 is a deficient number, since it is larger than the sum of its proper divisors (351094).

478346 is a wasteful number, since it uses less digits than its factorization.

478346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its digits is 16128, while the sum is 32.

The square root of 478346 is about 691.6256212721. The cubic root of 478346 is about 78.2073161175.

The spelling of 478346 in words is "four hundred seventy-eight thousand, three hundred forty-six".