8973643 has 16 divisors (see below), whose sum is σ = 10912000. Its totient is φ = 7208352.

The previous prime is 8973617. The next prime is 8973659. The reversal of 8973643 is 3463798.

8973643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8973643 - 2⁹ = 8973131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8973596 and 8973605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8973343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14188 + ... + 14806.

It is an arithmetic number, because the mean of its divisors is an integer number (682000).

Almost surely, 2^8973643 is an apocalyptic number.

8973643 is a deficient number, since it is larger than the sum of its proper divisors (1938357).

8973643 is a wasteful number, since it uses less digits than its factorization.

8973643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754.

The product of its digits is 108864, while the sum is 40.

The square root of 8973643 is about 2995.6039457846. The cubic root of 8973643 is about 207.8051290619.

The spelling of 8973643 in words is "eight million, nine hundred seventy-three thousand, six hundred forty-three".