228789793 has 4 divisors (see below), whose sum is σ = 229393840. Its totient is φ = 228185748.

The previous prime is 228789739. The next prime is 228789829. The reversal of 228789793 is 397987822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228789793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228789733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301455 + ... + 302212.

It is an arithmetic number, because the mean of its divisors is an integer number (57348460).

Almost surely, 2^228789793 is an apocalyptic number.

It is an amenable number.

228789793 is a deficient number, since it is larger than the sum of its proper divisors (604047).

228789793 is an equidigital number, since it uses as much as digits as its factorization.

228789793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604046.

The product of its digits is 3048192, while the sum is 55.

The square root of 228789793 is about 15125.7989210488. The cubic root of 228789793 is about 611.6160614989.

The spelling of 228789793 in words is "two hundred twenty-eight million, seven hundred eighty-nine thousand, seven hundred ninety-three".