9380728 has 32 divisors (see below), whose sum is σ = 20275200. Its totient is φ = 3985632.

The previous prime is 9380681. The next prime is 9380731. The reversal of 9380728 is 8270839.

9380728 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

9380728 is strictly pandigital in base 8.

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, 6453 + ... + 7771.

It is an arithmetic number, because the mean of its divisors is an integer number (633600).

Almost surely, 2^9380728 is an apocalyptic number.

It is an amenable number.

9380728 is an abundant number, since it is smaller than the sum of its proper divisors (10894472).

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

9380728 is a wasteful number, since it uses less digits than its factorization.

9380728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 9380728 is about 3062.7974141298. The cubic root of 9380728 is about 210.9011014251.

The spelling of 9380728 in words is "nine million, three hundred eighty thousand, seven hundred twenty-eight".