8595661 has 4 divisors (see below), whose sum is σ = 8653500. Its totient is φ = 8537824.

The previous prime is 8595637. The next prime is 8595667. The reversal of 8595661 is 1665958.

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 1142761 + 7452900 = 1069^2 + 2730^2 .

It is a cyclic number.

It is not a de Polignac number, because 8595661 - 2¹⁹ = 8071373 is a prime.

It is a Duffinian number.

8595661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8595667) 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, 28696 + ... + 28993.

It is an arithmetic number, because the mean of its divisors is an integer number (2163375).

Almost surely, 2^8595661 is an apocalyptic number.

It is an amenable number.

8595661 is a deficient number, since it is larger than the sum of its proper divisors (57839).

8595661 is a wasteful number, since it uses less digits than its factorization.

8595661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57838.

The product of its digits is 64800, while the sum is 40.

The square root of 8595661 is about 2931.8357730269. The cubic root of 8595661 is about 204.8454992929.

The spelling of 8595661 in words is "eight million, five hundred ninety-five thousand, six hundred sixty-one".