9409216 has 28 divisors (see below), whose sum is σ = 18917920. Its totient is φ = 4642560.

The previous prime is 9409193. The next prime is 9409219. The reversal of 9409216 is 6129049.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9409219) 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, 4126 + ... + 5986.

It is an arithmetic number, because the mean of its divisors is an integer number (675640).

Almost surely, 2^9409216 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 9409216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9458960).

9409216 is an abundant number, since it is smaller than the sum of its proper divisors (9508704).

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

9409216 is a wasteful number, since it uses less digits than its factorization.

9409216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9409216 is about 3067.4445390259. Note that the first 3 decimals coincide. The cubic root of 9409216 is about 211.1143783633.

The spelling of 9409216 in words is "nine million, four hundred nine thousand, two hundred sixteen".