8608645 has 4 divisors (see below), whose sum is σ = 10330380. Its totient is φ = 6886912.

The previous prime is 8608627. The next prime is 8608667. The reversal of 8608645 is 5468068.

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 3147076 + 5461569 = 1774^2 + 2337^2 .

It is a cyclic number.

It is not a de Polignac number, because 8608645 - 2⁹ = 8608133 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 860860 + ... + 860869.

It is an arithmetic number, because the mean of its divisors is an integer number (2582595).

Almost surely, 2^8608645 is an apocalyptic number.

It is an amenable number.

8608645 is a deficient number, since it is larger than the sum of its proper divisors (1721735).

8608645 is a wasteful number, since it uses less digits than its factorization.

8608645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721734.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8608645 is about 2934.0492497571. The cubic root of 8608645 is about 204.9485891306.

The spelling of 8608645 in words is "eight million, six hundred eight thousand, six hundred forty-five".