9643630 has 8 divisors (see below), whose sum is σ = 17358552. Its totient is φ = 3857448.

The previous prime is 9643603. The next prime is 9643661. The reversal of 9643630 is 363469.

9643630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 9643592 and 9643601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482172 + ... + 482191.

It is an arithmetic number, because the mean of its divisors is an integer number (2169819).

Almost surely, 2^9643630 is an apocalyptic number.

9643630 is a deficient number, since it is larger than the sum of its proper divisors (7714922).

9643630 is a wasteful number, since it uses less digits than its factorization.

9643630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964370.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 9643630 is about 3105.4194563698. The cubic root of 9643630 is about 212.8531980883.

The spelling of 9643630 in words is "nine million, six hundred forty-three thousand, six hundred thirty".