478522 has 8 divisors (see below), whose sum is σ = 783072. Its totient is φ = 217500.

The previous prime is 478493. The next prime is 478523. The reversal of 478522 is 225874.

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

It is a d-powerful number, because it can be written as 4⁸ + 7² + 5⁶ + 8⁴ + 2¹⁷ + 2¹⁸ .

It is not an unprimeable number, because it can be changed into a prime (478523) by changing a digit.

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, 10854 + ... + 10897.

It is an arithmetic number, because the mean of its divisors is an integer number (97884).

2⁴⁷⁸⁵²² is an apocalyptic number.

478522 is a deficient number, since it is larger than the sum of its proper divisors (304550).

478522 is a wasteful number, since it uses less digits than its factorization.

478522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21764.

The product of its digits is 4480, while the sum is 28.

The square root of 478522 is about 691.7528460368. The cubic root of 478522 is about 78.2169066648.

It can be divided in two parts, 478 and 522, that added together give a cube (1000 = 10³).

The spelling of 478522 in words is "four hundred seventy-eight thousand, five hundred twenty-two".