8861189 has 4 divisors (see below), whose sum is σ = 8878656. Its totient is φ = 8843724.

The previous prime is 8861173. The next prime is 8861191. The reversal of 8861189 is 9811688.

8861189 is digitally balanced in base 3, 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 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 8861189 - 2⁴ = 8861173 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 (8861119) 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, 7949 + ... + 8994.

It is an arithmetic number, because the mean of its divisors is an integer number (2219664).

Almost surely, 2^8861189 is an apocalyptic number.

It is an amenable number.

8861189 is a deficient number, since it is larger than the sum of its proper divisors (17467).

8861189 is a wasteful number, since it uses less digits than its factorization.

8861189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17466.

The product of its digits is 27648, while the sum is 41.

The square root of 8861189 is about 2976.7749327082. The cubic root of 8861189 is about 206.9334348425.

The spelling of 8861189 in words is "eight million, eight hundred sixty-one thousand, one hundred eighty-nine".