9890216 has 16 divisors (see below), whose sum is σ = 21193440. Its totient is φ = 4238640.

The previous prime is 9890201. The next prime is 9890219. The reversal of 9890216 is 6120989.

9890216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9890219) 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, 88250 + ... + 88361.

It is an arithmetic number, because the mean of its divisors is an integer number (1324590).

Almost surely, 2^9890216 is an apocalyptic number.

It is an amenable number.

9890216 is an abundant number, since it is smaller than the sum of its proper divisors (11303224).

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

9890216 is a wasteful number, since it uses less digits than its factorization.

9890216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176624 (or 176620 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 9890216 is about 3144.8713805178. The cubic root of 9890216 is about 214.6521579296.

The spelling of 9890216 in words is "nine million, eight hundred ninety thousand, two hundred sixteen".