9000216 has 24 divisors (see below), whose sum is σ = 24375780. Its totient is φ = 3000048.

The previous prime is 9000209. The next prime is 9000217. The reversal of 9000216 is 6120009.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62430 + ... + 62573.

Almost surely, 2^9000216 is an apocalyptic number.

It is an amenable number.

9000216 is an abundant number, since it is smaller than the sum of its proper divisors (15375564).

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

9000216 is a wasteful number, since it uses less digits than its factorization.

9000216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125015 (or 125008 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 9000216 is about 3000.0359997840. The cubic root of 9000216 is about 208.0100463589.

It can be divided in two parts, 9000 and 216, that added together give a square (9216 = 96²).

The spelling of 9000216 in words is "nine million, two hundred sixteen", and thus it is an aban number.