478212 has 24 divisors (see below), whose sum is σ = 1275456. Its totient is φ = 136608.

The previous prime is 478207. The next prime is 478213. The reversal of 478212 is 212874.

It is not an unprimeable number, because it can be changed into a prime (478213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (53144).

2⁴⁷⁸²¹² is an apocalyptic number.

478212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

478212 is an abundant number, since it is smaller than the sum of its proper divisors (797244).

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

478212 is a wasteful number, since it uses less digits than its factorization.

478212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707 (or 5705 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 478212 is about 691.5287412682. The cubic root of 478212 is about 78.2000126460.

The spelling of 478212 in words is "four hundred seventy-eight thousand, two hundred twelve".