90089211 has 4 divisors (see below), whose sum is σ = 120118952. Its totient is φ = 60059472.

The previous prime is 90089189. The next prime is 90089213. The reversal of 90089211 is 11298009.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90089211 - 2⁵ = 90089179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90089213) 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, 15014866 + ... + 15014871.

It is an arithmetic number, because the mean of its divisors is an integer number (30029738).

Almost surely, 2^90089211 is an apocalyptic number.

90089211 is a deficient number, since it is larger than the sum of its proper divisors (30029741).

90089211 is a wasteful number, since it uses less digits than its factorization.

90089211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30029740.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 90089211 is about 9491.5336484680. The cubic root of 90089211 is about 448.2884963506.

The spelling of 90089211 in words is "ninety million, eighty-nine thousand, two hundred eleven".