9896638 has 8 divisors (see below), whose sum is σ = 14931288. Its totient is φ = 4919544.

The previous prime is 9896629. The next prime is 9896639. The reversal of 9896638 is 8366989.

9896638 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 = 9896591 and 9896600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9896639) 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, 13956 + ... + 14647.

It is an arithmetic number, because the mean of its divisors is an integer number (1866411).

Almost surely, 2^9896638 is an apocalyptic number.

9896638 is a deficient number, since it is larger than the sum of its proper divisors (5034650).

9896638 is a wasteful number, since it uses less digits than its factorization.

9896638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28778.

The product of its digits is 559872, while the sum is 49.

The square root of 9896638 is about 3145.8922422740. The cubic root of 9896638 is about 214.6986078049.

The spelling of 9896638 in words is "nine million, eight hundred ninety-six thousand, six hundred thirty-eight".