9198216 has 48 divisors (see below), whose sum is σ = 25499760. Its totient is φ = 2993760.

The previous prime is 9198199. The next prime is 9198257. The reversal of 9198216 is 6128919.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1611 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (531245).

Almost surely, 2^9198216 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 9198216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12749880).

9198216 is an abundant number, since it is smaller than the sum of its proper divisors (16301544).

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

9198216 is a wasteful number, since it uses less digits than its factorization.

9198216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026 (or 3019 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 9198216 is about 3032.8560796714. The cubic root of 9198216 is about 209.5243657141.

The spelling of 9198216 in words is "nine million, one hundred ninety-eight thousand, two hundred sixteen".