9640632 has 32 divisors (see below), whose sum is σ = 25520400. Its totient is φ = 3024384.

The previous prime is 9640627. The next prime is 9640637. The reversal of 9640632 is 2360469.

It is an interprime number because it is at equal distance from previous prime (9640627) and next prime (9640637).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9640632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640637) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 11407 + ... + 12222.

Almost surely, 2^9640632 is an apocalyptic number.

It is an amenable number.

9640632 is an abundant number, since it is smaller than the sum of its proper divisors (15879768).

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

9640632 is a wasteful number, since it uses less digits than its factorization.

9640632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23655 (or 23651 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 9640632 is about 3104.9367143309. The cubic root of 9640632 is about 212.8311386208.

The spelling of 9640632 in words is "nine million, six hundred forty thousand, six hundred thirty-two".