228396 has 24 divisors (see below), whose sum is σ = 609280. Its totient is φ = 65232.

The previous prime is 228383. The next prime is 228409. The reversal of 228396 is 693822.

228396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228383) and next prime (228409).

It is an unprimeable number.

228396 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 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 1443.

2²²⁸³⁹⁶ is an apocalyptic number.

It is an amenable number.

228396 is an abundant number, since it is smaller than the sum of its proper divisors (380884).

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

228396 is a wasteful number, since it uses less digits than its factorization.

228396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2731 counting only the distinct ones).

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

The square root of 228396 is about 477.9079409259. The cubic root of 228396 is about 61.1264955451.

The spelling of 228396 in words is "two hundred twenty-eight thousand, three hundred ninety-six".