478443 has 8 divisors (see below), whose sum is σ = 729088. Its totient is φ = 273384.

The previous prime is 478441. The next prime is 478451. The reversal of 478443 is 344874.

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

It is not a de Polignac number, because 478443 - 2¹ = 478441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478443.

It is not an unprimeable number, because it can be changed into a prime (478441) 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, 11371 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (91136).

2⁴⁷⁸⁴⁴³ is an apocalyptic number.

478443 is a deficient number, since it is larger than the sum of its proper divisors (250645).

478443 is a wasteful number, since it uses less digits than its factorization.

478443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22793.

The product of its digits is 10752, while the sum is 30.

The square root of 478443 is about 691.6957423608. The cubic root of 478443 is about 78.2126021078.

The spelling of 478443 in words is "four hundred seventy-eight thousand, four hundred forty-three".