229938928 has 40 divisors (see below), whose sum is σ = 451087200. Its totient is φ = 113541120.

The previous prime is 229938913. The next prime is 229938949. The reversal of 229938928 is 829839922.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 818148 + ... + 818428.

It is an arithmetic number, because the mean of its divisors is an integer number (11277180).

Almost surely, 2^229938928 is an apocalyptic number.

It is an amenable number.

229938928 is a deficient number, since it is larger than the sum of its proper divisors (221148272).

229938928 is a wasteful number, since it uses less digits than its factorization.

229938928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 739 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 229938928 is about 15163.7372702115. The cubic root of 229938928 is about 612.6383332143.

The spelling of 229938928 in words is "two hundred twenty-nine million, nine hundred thirty-eight thousand, nine hundred twenty-eight".