9638005 has 16 divisors (see below), whose sum is σ = 12887280. Its totient is φ = 6870528.

The previous prime is 9637987. The next prime is 9638009. The reversal of 9638005 is 5008369.

9638005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3048516 + 6589489 = 1746^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 9638005 - 2⁵ = 9637973 is a prime.

It is a super-2 number, since 2×9638005² = 185782280760050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9638009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672 + ... + 4441.

It is an arithmetic number, because the mean of its divisors is an integer number (805455).

Almost surely, 2^9638005 is an apocalyptic number.

It is an amenable number.

9638005 is a deficient number, since it is larger than the sum of its proper divisors (3249275).

9638005 is a wasteful number, since it uses less digits than its factorization.

9638005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 9638005 is about 3104.5136495110. The cubic root of 9638005 is about 212.8118052343.

The spelling of 9638005 in words is "nine million, six hundred thirty-eight thousand, five".