478668 has 24 divisors (see below), whose sum is σ = 1129968. Its totient is φ = 157696.

The previous prime is 478651. The next prime is 478679. The reversal of 478668 is 866874.

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, 1180 + ... + 1532.

It is an arithmetic number, because the mean of its divisors is an integer number (47082).

2⁴⁷⁸⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

478668 is an abundant number, since it is smaller than the sum of its proper divisors (651300).

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

478668 is a wasteful number, since it uses less digits than its factorization.

478668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 471 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 478668 is about 691.8583670087. The cubic root of 478668 is about 78.2248606754.

It can be divided in two parts, 47866 and 8, that added together give a palindrome (47874).

The spelling of 478668 in words is "four hundred seventy-eight thousand, six hundred sixty-eight".