9638216 has 32 divisors (see below), whose sum is σ = 20856000. Its totient is φ = 4090176.

The previous prime is 9638207. The next prime is 9638231. The reversal of 9638216 is 6128369.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5315 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (651750).

Almost surely, 2^9638216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9638216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10428000).

9638216 is an abundant number, since it is smaller than the sum of its proper divisors (11217784).

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

9638216 is a wasteful number, since it uses less digits than its factorization.

9638216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701 (or 1697 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 9638216 is about 3104.5476321036. The cubic root of 9638216 is about 212.8133582170.

The spelling of 9638216 in words is "nine million, six hundred thirty-eight thousand, two hundred sixteen".