9638680 has 16 divisors (see below), whose sum is σ = 21687120. Its totient is φ = 3855456.

The previous prime is 9638659. The next prime is 9638743. The reversal of 9638680 is 868369.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 240967 = 9638680 / (9 + 6 + 3 + 8 + 6 + 8 + 0).

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, 120444 + ... + 120523.

It is an arithmetic number, because the mean of its divisors is an integer number (1355445).

Almost surely, 2^9638680 is an apocalyptic number.

It is an amenable number.

9638680 is an abundant number, since it is smaller than the sum of its proper divisors (12048440).

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

9638680 is a wasteful number, since it uses less digits than its factorization.

9638680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240978 (or 240974 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 9638680 is about 3104.6223602880. The cubic root of 9638680 is about 212.8167732270.

The spelling of 9638680 in words is "nine million, six hundred thirty-eight thousand, six hundred eighty".