478812 has 12 divisors (see below), whose sum is σ = 1117256. Its totient is φ = 159600.

The previous prime is 478811. The next prime is 478813. The reversal of 478812 is 218874.

It is an interprime number because it is at equal distance from previous prime (478811) and next prime (478813).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 478812.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478812.

It is not an unprimeable number, because it can be changed into a prime (478811) 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, 19939 + ... + 19962.

2⁴⁷⁸⁸¹² is an apocalyptic number.

It is an amenable number.

478812 is an abundant number, since it is smaller than the sum of its proper divisors (638444).

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

478812 is a wasteful number, since it uses less digits than its factorization.

478812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39908 (or 39906 counting only the distinct ones).

The product of its digits is 3584, while the sum is 30.

The square root of 478812 is about 691.9624267256. The cubic root of 478812 is about 78.2327041428.

The spelling of 478812 in words is "four hundred seventy-eight thousand, eight hundred twelve".