9730028 has 36 divisors (see below), whose sum is σ = 21613032. Its totient is φ = 3790080.

The previous prime is 9730013. The next prime is 9730031. The reversal of 9730028 is 8200379.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101 + ... + 4412.

It is an arithmetic number, because the mean of its divisors is an integer number (600362).

Almost surely, 2^9730028 is an apocalyptic number.

9730028 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9730028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10806516).

9730028 is an abundant number, since it is smaller than the sum of its proper divisors (11883004).

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

9730028 is a wasteful number, since it uses less digits than its factorization.

9730028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 9730028 is about 3119.2992802872. The cubic root of 9730028 is about 213.4869650736.

It can be divided in two parts, 9 and 730028, that added together give a palindrome (730037).

The spelling of 9730028 in words is "nine million, seven hundred thirty thousand, twenty-eight".