228678 has 8 divisors (see below), whose sum is σ = 457368. Its totient is φ = 76224.

The previous prime is 228677. The next prime is 228707. The reversal of 228678 is 876822.

228678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

228678 is an admirable number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228677) 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, 19051 + ... + 19062.

It is an arithmetic number, because the mean of its divisors is an integer number (57171).

2²²⁸⁶⁷⁸ is an apocalyptic number.

228678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228678 is a wasteful number, since it uses less digits than its factorization.

228678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38118.

The product of its digits is 10752, while the sum is 33.

The square root of 228678 is about 478.2028858131. The cubic root of 228678 is about 61.1516427780.

It can be divided in two parts, 2 and 28678, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 228678 in words is "two hundred twenty-eight thousand, six hundred seventy-eight".