989227 has 4 divisors (see below), whose sum is σ = 992160. Its totient is φ = 986296.

The previous prime is 989173. The next prime is 989231. The reversal of 989227 is 722989.

989227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722989 = 131 ⋅5519.

It is a cyclic number.

It is not a de Polignac number, because 989227 - 2⁷ = 989099 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989327) 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, 883 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (248040).

2⁹⁸⁹²²⁷ is an apocalyptic number.

989227 is a deficient number, since it is larger than the sum of its proper divisors (2933).

989227 is a wasteful number, since it uses less digits than its factorization.

989227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932.

The product of its digits is 18144, while the sum is 37.

The square root of 989227 is about 994.5989141357. The cubic root of 989227 is about 99.6396026982.

The spelling of 989227 in words is "nine hundred eighty-nine thousand, two hundred twenty-seven".