8609089 has 4 divisors (see below), whose sum is σ = 9115524. Its totient is φ = 8102656.

The previous prime is 8609087. The next prime is 8609093. The reversal of 8609089 is 9809068.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2689600 + 5919489 = 1640^2 + 2433^2 .

It is a cyclic number.

It is not a de Polignac number, because 8609089 - 2¹ = 8609087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8609087) 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, 253192 + ... + 253225.

It is an arithmetic number, because the mean of its divisors is an integer number (2278881).

Almost surely, 2^8609089 is an apocalyptic number.

It is an amenable number.

8609089 is a deficient number, since it is larger than the sum of its proper divisors (506435).

8609089 is a wasteful number, since it uses less digits than its factorization.

8609089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506434.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 8609089 is about 2934.1249121331. The cubic root of 8609089 is about 204.9521125504.

The spelling of 8609089 in words is "eight million, six hundred nine thousand, eighty-nine".