228936 has 16 divisors (see below), whose sum is σ = 572400. Its totient is φ = 76304.

The previous prime is 228929. The next prime is 228953. The reversal of 228936 is 639822.

It is a d-powerful number, because it can be written as 2² + 2¹⁰ + 9 + 8⁴ + 3¹¹ + 6⁶ .

It is an unprimeable number.

228936 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4746 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (35775).

2²²⁸⁹³⁶ is an apocalyptic number.

It is an amenable number.

228936 is an abundant number, since it is smaller than the sum of its proper divisors (343464).

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

228936 is a wasteful number, since it uses less digits than its factorization.

228936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9548 (or 9544 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 228936 is about 478.4725697467. The cubic root of 228936 is about 61.1746317176.

The spelling of 228936 in words is "two hundred twenty-eight thousand, nine hundred thirty-six".