89846221 has 4 divisors (see below), whose sum is σ = 91935712. Its totient is φ = 87756732.

The previous prime is 89846213. The next prime is 89846227. The reversal of 89846221 is 12264898.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89846221 - 2³ = 89846213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89846227) 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, 1044681 + ... + 1044766.

It is an arithmetic number, because the mean of its divisors is an integer number (22983928).

Almost surely, 2^89846221 is an apocalyptic number.

It is an amenable number.

89846221 is a deficient number, since it is larger than the sum of its proper divisors (2089491).

89846221 is a wasteful number, since it uses less digits than its factorization.

89846221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089490.

The product of its digits is 55296, while the sum is 40.

The square root of 89846221 is about 9478.7246505002. The cubic root of 89846221 is about 447.8850899084.

The spelling of 89846221 in words is "eighty-nine million, eight hundred forty-six thousand, two hundred twenty-one".