89012189 has 16 divisors (see below), whose sum is σ = 104635776. Its totient is φ = 74131200.

The previous prime is 89012177. The next prime is 89012197. The reversal of 89012189 is 98121098.

It is a cyclic number.

It is not a de Polignac number, because 89012189 - 2⁴ = 89012173 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89012149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94529 + ... + 95465.

It is an arithmetic number, because the mean of its divisors is an integer number (6539736).

Almost surely, 2^89012189 is an apocalyptic number.

It is an amenable number.

89012189 is a deficient number, since it is larger than the sum of its proper divisors (15623587).

89012189 is a wasteful number, since it uses less digits than its factorization.

89012189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 89012189 is about 9434.6271256473. The cubic root of 89012189 is about 446.4948909419.

The spelling of 89012189 in words is "eighty-nine million, twelve thousand, one hundred eighty-nine".