8648591 has 8 divisors (see below), whose sum is σ = 10404480. Its totient is φ = 7022808.

The previous prime is 8648557. The next prime is 8648677. The reversal of 8648591 is 1958468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8648591 - 2¹⁰ = 8647567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8648501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32381 + ... + 32646.

It is an arithmetic number, because the mean of its divisors is an integer number (1300560).

Almost surely, 2^8648591 is an apocalyptic number.

8648591 is a deficient number, since it is larger than the sum of its proper divisors (1755889).

8648591 is a wasteful number, since it uses less digits than its factorization.

8648591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65053.

The product of its digits is 69120, while the sum is 41.

The square root of 8648591 is about 2940.8486870290. The cubic root of 8648591 is about 205.2651021985.

The spelling of 8648591 in words is "eight million, six hundred forty-eight thousand, five hundred ninety-one".