228792 has 16 divisors (see below), whose sum is σ = 572040. Its totient is φ = 76256.

The previous prime is 228773. The next prime is 228793. The reversal of 228792 is 297822.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228792.

It is not an unprimeable number, because it can be changed into a prime (228793) by changing a digit.

228792 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, 4743 + ... + 4790.

2²²⁸⁷⁹² is an apocalyptic number.

It is an amenable number.

228792 is an abundant number, since it is smaller than the sum of its proper divisors (343248).

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

228792 is a wasteful number, since it uses less digits than its factorization.

228792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542 (or 9538 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 228792 is about 478.3220672309. The cubic root of 228792 is about 61.1618028126.

Adding to 228792 its sum of digits (30), we get a palindrome (228822).

The spelling of 228792 in words is "two hundred twenty-eight thousand, seven hundred ninety-two".