9216885 has 16 divisors (see below), whose sum is σ = 15146496. Its totient is φ = 4782528.

The previous prime is 9216869. The next prime is 9216913. The reversal of 9216885 is 5886129.

9216885 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 not a de Polignac number, because 9216885 - 2⁴ = 9216869 is a prime.

9216885 is a lucky number.

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, 7749 + ... + 8858.

It is an arithmetic number, because the mean of its divisors is an integer number (946656).

Almost surely, 2^9216885 is an apocalyptic number.

It is an amenable number.

9216885 is a deficient number, since it is larger than the sum of its proper divisors (5929611).

9216885 is a wasteful number, since it uses less digits than its factorization.

9216885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16652.

The product of its digits is 34560, while the sum is 39.

The square root of 9216885 is about 3035.9323114984. The cubic root of 9216885 is about 209.6660224218. Note that the first 3 decimals are identical.

It can be divided in two parts, 9216 and 885, that added together give a palindrome (10101).

The spelling of 9216885 in words is "nine million, two hundred sixteen thousand, eight hundred eighty-five".