9728970 has 16 divisors (see below), whose sum is σ = 23349600. Its totient is φ = 2594384.

The previous prime is 9728941. The next prime is 9729017. The reversal of 9728970 is 798279.

9728970 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 162120 + ... + 162179.

It is an arithmetic number, because the mean of its divisors is an integer number (1459350).

Almost surely, 2^9728970 is an apocalyptic number.

9728970 is an abundant number, since it is smaller than the sum of its proper divisors (13620630).

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

9728970 is a wasteful number, since it uses less digits than its factorization.

9728970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324309.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 9728970 is about 3119.1296863067. The cubic root of 9728970 is about 213.4792269185.

The spelling of 9728970 in words is "nine million, seven hundred twenty-eight thousand, nine hundred seventy".