478478 has 32 divisors (see below), whose sum is σ = 967680. Its totient is φ = 171360.

The previous prime is 478459. The next prime is 478481. The reversal of 478478 is 874874.

It is a nialpdrome in base 14.

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 478478.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2⁴⁷⁸⁴⁷⁸ is an apocalyptic number.

478478 is an abundant number, since it is smaller than the sum of its proper divisors (489202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478478 is a wasteful number, since it uses less digits than its factorization.

478478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its digits is 50176, while the sum is 38.

The square root of 478478 is about 691.7210420393. The cubic root of 478478 is about 78.2145092484.

The spelling of 478478 in words is "four hundred seventy-eight thousand, four hundred seventy-eight".