9643628 has 6 divisors (see below), whose sum is σ = 16876356. Its totient is φ = 4821812.

The previous prime is 9643603. The next prime is 9643661. The reversal of 9643628 is 8263469.

It is a super-2 number, since 2×9643628² = 185999122004768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9643591 and 9643600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1205450 + ... + 1205457.

It is an arithmetic number, because the mean of its divisors is an integer number (2812726).

Almost surely, 2^9643628 is an apocalyptic number.

It is an amenable number.

9643628 is a deficient number, since it is larger than the sum of its proper divisors (7232728).

9643628 is a wasteful number, since it uses less digits than its factorization.

9643628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410911 (or 2410909 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 9643628 is about 3105.4191343521. The cubic root of 9643628 is about 212.8531833737.

The spelling of 9643628 in words is "nine million, six hundred forty-three thousand, six hundred twenty-eight".