232489728 has 54 divisors (see below), whose sum is σ = 670331844. Its totient is φ = 77495808.

The previous prime is 232489711. The next prime is 232489753. The reversal of 232489728 is 827984232.

232489728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48150 + ... + 52757.

Almost surely, 2^232489728 is an apocalyptic number.

It is an amenable number.

232489728 is an abundant number, since it is smaller than the sum of its proper divisors (437842116).

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

232489728 is a wasteful number, since it uses less digits than its factorization.

232489728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100929 (or 100912 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 232489728 is about 15247.6138461072. The cubic root of 232489728 is about 614.8954174732.

The spelling of 232489728 in words is "two hundred thirty-two million, four hundred eighty-nine thousand, seven hundred twenty-eight".