478554 has 16 divisors (see below), whose sum is σ = 978048. Its totient is φ = 156032.

The previous prime is 478531. The next prime is 478571. The reversal of 478554 is 455874.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 567 + ... + 1130.

It is an arithmetic number, because the mean of its divisors is an integer number (61128).

2⁴⁷⁸⁵⁵⁴ is an apocalyptic number.

478554 is an abundant number, since it is smaller than the sum of its proper divisors (499494).

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

478554 is a wasteful number, since it uses less digits than its factorization.

478554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749.

The product of its digits is 22400, while the sum is 33.

The square root of 478554 is about 691.7759752984. The cubic root of 478554 is about 78.2186501480.

The spelling of 478554 in words is "four hundred seventy-eight thousand, five hundred fifty-four".