478818 has 16 divisors (see below), whose sum is σ = 1064160. Its totient is φ = 159588.

The previous prime is 478813. The next prime is 478823. The reversal of 478818 is 818874.

478818 = 17⁴ + 18⁴ + ... + 20⁴.

It is an interprime number because it is at equal distance from previous prime (478813) and next prime (478823).

It is an Ulam number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (478811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4380 + ... + 4487.

It is an arithmetic number, because the mean of its divisors is an integer number (66510).

2⁴⁷⁸⁸¹⁸ is an apocalyptic number.

478818 is an abundant number, since it is smaller than the sum of its proper divisors (585342).

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

478818 is a wasteful number, since it uses less digits than its factorization.

478818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8878 (or 8872 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 478818 is about 691.9667622075. The cubic root of 478818 is about 78.2330309198.

It can be divided in two parts, 478 and 818, that added together give a 4-th power (1296 = 6⁴).

The spelling of 478818 in words is "four hundred seventy-eight thousand, eight hundred eighteen".