9641728 has 18 divisors (see below), whose sum is σ = 19246304. Its totient is φ = 4820736.

The previous prime is 9641657. The next prime is 9641741. The reversal of 9641728 is 8271469.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18576 + ... + 19087.

Almost surely, 2^9641728 is an apocalyptic number.

It is an amenable number.

9641728 is a deficient number, since it is larger than the sum of its proper divisors (9604576).

9641728 is an equidigital number, since it uses as much as digits as its factorization.

9641728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37679 (or 37665 counting only the distinct ones).

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

The square root of 9641728 is about 3105.1132024453. The cubic root of 9641728 is about 212.8392035862.

The spelling of 9641728 in words is "nine million, six hundred forty-one thousand, seven hundred twenty-eight".