9000211 has 8 divisors (see below), whose sum is σ = 9916848. Its totient is φ = 8100000.

The previous prime is 9000209. The next prime is 9000217. The reversal of 9000211 is 1120009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(9000211) divides (9000211-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 9000211 - 2¹ = 9000209 is a prime.

It is an Ulam number.

It is a Duffinian number.

9000211 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9000191 and 9000200.

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 7 ways as a sum of consecutive naturals, for example, 2940 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (1239606).

Almost surely, 2^9000211 is an apocalyptic number.

9000211 is a deficient number, since it is larger than the sum of its proper divisors (916637).

9000211 is a wasteful number, since it uses less digits than its factorization.

9000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 9000211 is about 3000.0351664606. The cubic root of 9000211 is about 208.0100078395.

The spelling of 9000211 in words is "nine million, two hundred eleven", and thus it is an aban number.