478430 has 8 divisors (see below), whose sum is σ = 861192. Its totient is φ = 191368.

The previous prime is 478427. The next prime is 478433. The reversal of 478430 is 34874.

It is an interprime number because it is at equal distance from previous prime (478427) and next prime (478433).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 478430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478433) 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, 23912 + ... + 23931.

It is an arithmetic number, because the mean of its divisors is an integer number (107649).

2⁴⁷⁸⁴³⁰ is an apocalyptic number.

478430 is a deficient number, since it is larger than the sum of its proper divisors (382762).

478430 is a wasteful number, since it uses less digits than its factorization.

478430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47850.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 478430 is about 691.6863451016. The cubic root of 478430 is about 78.2118937175.

Subtracting from 478430 its reverse (34874), we obtain a square (443556 = 666²).

The spelling of 478430 in words is "four hundred seventy-eight thousand, four hundred thirty".