228836 has 12 divisors (see below), whose sum is σ = 421680. Its totient is φ = 108360.

The previous prime is 228829. The next prime is 228841. The reversal of 228836 is 638822.

It is a junction number, because it is equal to n+sod(n) for n = 228799 and 228808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430 + ... + 1581.

It is an arithmetic number, because the mean of its divisors is an integer number (35140).

2²²⁸⁸³⁶ is an apocalyptic number.

It is an amenable number.

228836 is a deficient number, since it is larger than the sum of its proper divisors (192844).

228836 is a wasteful number, since it uses less digits than its factorization.

228836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034 (or 3032 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 228836 is about 478.3680591344. The cubic root of 228836 is about 61.1657233267.

The spelling of 228836 in words is "two hundred twenty-eight thousand, eight hundred thirty-six".