9238728 has 32 divisors (see below), whose sum is σ = 23184000. Its totient is φ = 3067968.

The previous prime is 9238721. The next prime is 9238739. The reversal of 9238728 is 8278329.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9238721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7825 + ... + 8927.

It is an arithmetic number, because the mean of its divisors is an integer number (724500).

Almost surely, 2^9238728 is an apocalyptic number.

It is an amenable number.

9238728 is an abundant number, since it is smaller than the sum of its proper divisors (13945272).

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

9238728 is a wasteful number, since it uses less digits than its factorization.

9238728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1457 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 9238728 is about 3039.5275948739. The cubic root of 9238728 is about 209.8315201962.

The spelling of 9238728 in words is "nine million, two hundred thirty-eight thousand, seven hundred twenty-eight".