229793728 has 28 divisors (see below), whose sum is σ = 461131920. Its totient is φ = 113603072.

The previous prime is 229793693. The next prime is 229793761. The reversal of 229793728 is 827397922.

It is a congruent number.

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, 14476 + ... + 25867.

Almost surely, 2^229793728 is an apocalyptic number.

It is an amenable number.

229793728 is an abundant number, since it is smaller than the sum of its proper divisors (231338192).

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

229793728 is an equidigital number, since it uses as much as digits as its factorization.

229793728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40444 (or 40434 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 229793728 is about 15158.9487762180. The cubic root of 229793728 is about 612.5093514052.

The spelling of 229793728 in words is "two hundred twenty-nine million, seven hundred ninety-three thousand, seven hundred twenty-eight".