8098609 has 4 divisors (see below), whose sum is σ = 8118820. Its totient is φ = 8078400.

The previous prime is 8098567. The next prime is 8098619. The reversal of 8098609 is 9068908.

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 2900209 + 5198400 = 1703^2 + 2280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8098609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8098619) 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, 9492 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (2029705).

Almost surely, 2^8098609 is an apocalyptic number.

It is an amenable number.

8098609 is a deficient number, since it is larger than the sum of its proper divisors (20211).

8098609 is a wasteful number, since it uses less digits than its factorization.

8098609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20210.

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

The square root of 8098609 is about 2845.8055098689. The cubic root of 8098609 is about 200.8183883019.

Subtracting 8098609 from its reverse (9068908), we obtain a cube (970299 = 99³).

It can be divided in two parts, 80 and 98609, that added together give a palindrome (98689).

The spelling of 8098609 in words is "eight million, ninety-eight thousand, six hundred nine".