9233728 has 28 divisors (see below), whose sum is σ = 20941792. Its totient is φ = 3957120.

The previous prime is 9233711. The next prime is 9233729. The reversal of 9233728 is 8273329.

It is a tau number, because it is divible by the number of its divisors (28).

It is an Ulam number.

It is a d-powerful number, because it can be written as 9³ + 2¹⁰ + 3¹³ + 3¹³ + 7⁸ + 2¹⁴ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 9233693 and 9233702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9233729) 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, 9858 + ... + 10753.

Almost surely, 2^9233728 is an apocalyptic number.

It is an amenable number.

9233728 is an abundant number, since it is smaller than the sum of its proper divisors (11708064).

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

9233728 is a wasteful number, since it uses less digits than its factorization.

9233728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630 (or 20620 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 9233728 is about 3038.7049873260. The cubic root of 9233728 is about 209.7936597560.

The spelling of 9233728 in words is "nine million, two hundred thirty-three thousand, seven hundred twenty-eight".