9386684638 has 8 divisors (see below), whose sum is σ = 14249666088. Its totient is φ = 4636795944.

The previous prime is 9386684617. The next prime is 9386684639. The reversal of 9386684638 is 8364866839.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9386684639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28272981 + ... + 28273312.

It is an arithmetic number, because the mean of its divisors is an integer number (1781208261).

Almost surely, 2^9386684638 is an apocalyptic number.

9386684638 is a deficient number, since it is larger than the sum of its proper divisors (4862981450).

9386684638 is a wasteful number, since it uses less digits than its factorization.

9386684638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56546378.

The product of its digits is 35831808, while the sum is 61.

The square root of 9386684638 is about 96884.9040769510. The cubic root of 9386684638 is about 2109.4573178163.

The spelling of 9386684638 in words is "nine billion, three hundred eighty-six million, six hundred eighty-four thousand, six hundred thirty-eight".