9615216 has 80 divisors (see below), whose sum is σ = 28192640. Its totient is φ = 2799360.

The previous prime is 9615191. The next prime is 9615223. The reversal of 9615216 is 6125169.

9615216 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11451 + ... + 12261.

It is an arithmetic number, because the mean of its divisors is an integer number (352408).

Almost surely, 2^9615216 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 9615216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14096320).

9615216 is an abundant number, since it is smaller than the sum of its proper divisors (18577424).

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

9615216 is a wasteful number, since it uses less digits than its factorization.

9615216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 848 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 9615216 is about 3100.8411761972. The cubic root of 9615216 is about 212.6439421522.

The spelling of 9615216 in words is "nine million, six hundred fifteen thousand, two hundred sixteen".