8897216 has 56 divisors (see below), whose sum is σ = 18708624. Its totient is φ = 4193280.

The previous prime is 8897209. The next prime is 8897221. The reversal of 8897216 is 6127988.

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, 145826 + ... + 145886.

Almost surely, 2^8897216 is an apocalyptic number.

8897216 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8897216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9354312).

8897216 is an abundant number, since it is smaller than the sum of its proper divisors (9811408).

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

8897216 is a wasteful number, since it uses less digits than its factorization.

8897216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 159 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 8897216 is about 2982.8201420803. The cubic root of 8897216 is about 207.2134992174.

It can be divided in two parts, 88972 and 16, that added together give a palindrome (88988).

The spelling of 8897216 in words is "eight million, eight hundred ninety-seven thousand, two hundred sixteen".