928228 has 12 divisors (see below), whose sum is σ = 1856512. Its totient is φ = 397800.

The previous prime is 928223. The next prime is 928231. The reversal of 928228 is 822829.

928228 is nontrivially palindromic in base 13.

928228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

928228 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 928228.

It is not an unprimeable number, because it can be changed into a prime (928223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16548 + ... + 16603.

2⁹²⁸²²⁸ is an apocalyptic number.

It is an amenable number.

928228 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.

928228 is a wasteful number, since it uses less digits than its factorization.

928228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33162 (or 33160 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 928228 is about 963.4458988444. The cubic root of 928228 is about 97.5479667553.

It can be divided in two parts, 928 and 228, that added together give a square (1156 = 34²).

The spelling of 928228 in words is "nine hundred twenty-eight thousand, two hundred twenty-eight".