9728330 has 8 divisors (see below), whose sum is σ = 17511012. Its totient is φ = 3891328.

The previous prime is 9728321. The next prime is 9728339. The reversal of 9728330 is 338279.

It is an interprime number because it is at equal distance from previous prime (9728321) and next prime (9728339).

It can be written as a sum of positive squares in 2 ways, for example, as 9728161 + 169 = 3119^2 + 13^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9728339) 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, 486407 + ... + 486426.

Almost surely, 2^9728330 is an apocalyptic number.

9728330 is a deficient number, since it is larger than the sum of its proper divisors (7782682).

9728330 is a wasteful number, since it uses less digits than its factorization.

9728330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972840.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 9728330 is about 3119.0270918990. The cubic root of 9728330 is about 213.4745457206.

The spelling of 9728330 in words is "nine million, seven hundred twenty-eight thousand, three hundred thirty".