478542 has 8 divisors (see below), whose sum is σ = 957096. Its totient is φ = 159512.

The previous prime is 478531. The next prime is 478571. The reversal of 478542 is 245874.

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

478542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39873 + ... + 39884.

It is an arithmetic number, because the mean of its divisors is an integer number (119637).

2⁴⁷⁸⁵⁴² is an apocalyptic number.

478542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

478542 is a wasteful number, since it uses less digits than its factorization.

478542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79762.

The product of its digits is 8960, while the sum is 30.

The square root of 478542 is about 691.7673019159. The cubic root of 478542 is about 78.2179963509.

The spelling of 478542 in words is "four hundred seventy-eight thousand, five hundred forty-two".