8989161 has 4 divisors (see below), whose sum is σ = 11985552. Its totient is φ = 5992772.

The previous prime is 8989153. The next prime is 8989199. The reversal of 8989161 is 1619898.

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 8989161 - 2³ = 8989153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8989061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498191 + ... + 1498196.

It is an arithmetic number, because the mean of its divisors is an integer number (2996388).

Almost surely, 2^8989161 is an apocalyptic number.

It is an amenable number.

8989161 is a deficient number, since it is larger than the sum of its proper divisors (2996391).

8989161 is a wasteful number, since it uses less digits than its factorization.

8989161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996390.

The product of its digits is 31104, while the sum is 42.

The square root of 8989161 is about 2998.1929557652. The cubic root of 8989161 is about 207.9248449511.

The spelling of 8989161 in words is "eight million, nine hundred eighty-nine thousand, one hundred sixty-one".