478538 has 16 divisors (see below), whose sum is σ = 763776. Its totient is φ = 224400.

The previous prime is 478531. The next prime is 478571. The reversal of 478538 is 835874.

It is a junction number, because it is equal to n+sod(n) for n = 478498 and 478507.

It is not an unprimeable number, because it can be changed into a prime (478531) 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, 4595 + ... + 4697.

It is an arithmetic number, because the mean of its divisors is an integer number (47736).

2⁴⁷⁸⁵³⁸ is an apocalyptic number.

478538 is a deficient number, since it is larger than the sum of its proper divisors (285238).

478538 is a wasteful number, since it uses less digits than its factorization.

478538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 26880, while the sum is 35.

The square root of 478538 is about 691.7644107642. The cubic root of 478538 is about 78.2177784161.

The spelling of 478538 in words is "four hundred seventy-eight thousand, five hundred thirty-eight".