9646021 has 16 divisors (see below), whose sum is σ = 12735360. Its totient is φ = 7073280.

The previous prime is 9646003. The next prime is 9646037. The reversal of 9646021 is 1206469.

It is a cyclic number.

It is not a de Polignac number, because 9646021 - 2⁹ = 9645509 is a prime.

It is a super-2 number, since 2×9646021² = 186091442264882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9646081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2376 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (795960).

Almost surely, 2^9646021 is an apocalyptic number.

It is an amenable number.

9646021 is a deficient number, since it is larger than the sum of its proper divisors (3089339).

9646021 is a wasteful number, since it uses less digits than its factorization.

9646021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 9646021 is about 3105.8044046591. The cubic root of 9646021 is about 212.8707879357.

The spelling of 9646021 in words is "nine million, six hundred forty-six thousand, twenty-one".