228840792 has 32 divisors (see below), whose sum is σ = 576614400. Its totient is φ = 75678624.

The previous prime is 228840779. The next prime is 228840809. The reversal of 228840792 is 297048822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34492 + ... + 40587.

It is an arithmetic number, because the mean of its divisors is an integer number (18019200).

Almost surely, 2^228840792 is an apocalyptic number.

It is an amenable number.

228840792 is an abundant number, since it is smaller than the sum of its proper divisors (347773608).

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

228840792 is a wasteful number, since it uses less digits than its factorization.

228840792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75215 (or 75211 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 228840792 is about 15127.4846554211. The cubic root of 228840792 is about 611.6615027600.

The spelling of 228840792 in words is "two hundred twenty-eight million, eight hundred forty thousand, seven hundred ninety-two".