8395663 has 4 divisors (see below), whose sum is σ = 8837560. Its totient is φ = 7953768.

The previous prime is 8395649. The next prime is 8395669. The reversal of 8395663 is 3665938.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3665938 = 2 ⋅1832969.

It is a cyclic number.

It is not a de Polignac number, because 8395663 - 2⁵ = 8395631 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 (8395669) 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, 220920 + ... + 220957.

It is an arithmetic number, because the mean of its divisors is an integer number (2209390).

Almost surely, 2^8395663 is an apocalyptic number.

8395663 is a deficient number, since it is larger than the sum of its proper divisors (441897).

8395663 is a wasteful number, since it uses less digits than its factorization.

8395663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441896.

The product of its digits is 116640, while the sum is 40.

The square root of 8395663 is about 2897.5270490541. The cubic root of 8395663 is about 203.2442803323.

The spelling of 8395663 in words is "eight million, three hundred ninety-five thousand, six hundred sixty-three".