8708089 has 4 divisors (see below), whose sum is σ = 9377956. Its totient is φ = 8038224.

The previous prime is 8708087. The next prime is 8708093. The reversal of 8708089 is 9808078.

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 5760000 + 2948089 = 2400^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 8708089 - 2¹ = 8708087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8708081) 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, 334914 + ... + 334939.

It is an arithmetic number, because the mean of its divisors is an integer number (2344489).

Almost surely, 2^8708089 is an apocalyptic number.

It is an amenable number.

8708089 is a deficient number, since it is larger than the sum of its proper divisors (669867).

8708089 is a wasteful number, since it uses less digits than its factorization.

8708089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669866.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 8708089 is about 2950.9471360904. The cubic root of 8708089 is about 205.7347341290.

The spelling of 8708089 in words is "eight million, seven hundred eight thousand, eighty-nine".