8986609 has 4 divisors (see below), whose sum is σ = 9070704. Its totient is φ = 8902516.

The previous prime is 8986573. The next prime is 8986657. The reversal of 8986609 is 9066898.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9066898 = 2 ⋅4533449.

It is a cyclic number.

It is not a de Polignac number, because 8986609 - 2¹⁷ = 8855537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8986669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41887 + ... + 42100.

It is an arithmetic number, because the mean of its divisors is an integer number (2267676).

Almost surely, 2^8986609 is an apocalyptic number.

It is an amenable number.

8986609 is a deficient number, since it is larger than the sum of its proper divisors (84095).

8986609 is a wasteful number, since it uses less digits than its factorization.

8986609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84094.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 8986609 is about 2997.7673358685. The cubic root of 8986609 is about 207.9051666435.

The spelling of 8986609 in words is "eight million, nine hundred eighty-six thousand, six hundred nine".