8696643 has 4 divisors (see below), whose sum is σ = 11595528. Its totient is φ = 5797760.

The previous prime is 8696629. The next prime is 8696651. The reversal of 8696643 is 3466968.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8696643 - 2⁴ = 8696627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8696595 and 8696604.

It is not an unprimeable number, because it can be changed into a prime (8696603) 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, 1449438 + ... + 1449443.

It is an arithmetic number, because the mean of its divisors is an integer number (2898882).

Almost surely, 2^8696643 is an apocalyptic number.

8696643 is a deficient number, since it is larger than the sum of its proper divisors (2898885).

8696643 is a wasteful number, since it uses less digits than its factorization.

8696643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898884.

The product of its digits is 186624, while the sum is 42.

The square root of 8696643 is about 2949.0071210494. The cubic root of 8696643 is about 205.6445546700.

Subtracting from 8696643 its sum of digits (42), we obtain a square (8696601 = 2949²).

It can be divided in two parts, 8696 and 643, that added together give a palindrome (9339).

The spelling of 8696643 in words is "eight million, six hundred ninety-six thousand, six hundred forty-three".