8643106 has 8 divisors (see below), whose sum is σ = 13727340. Its totient is φ = 4067328.

The previous prime is 8643091. The next prime is 8643109. The reversal of 8643106 is 6013468.

It can be written as a sum of positive squares in 2 ways, for example, as 8173881 + 469225 = 2859^2 + 685^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8643109) 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, 127071 + ... + 127138.

Almost surely, 2^8643106 is an apocalyptic number.

8643106 is a deficient number, since it is larger than the sum of its proper divisors (5084234).

8643106 is a wasteful number, since it uses less digits than its factorization.

8643106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254228.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8643106 is about 2939.9159851941. The cubic root of 8643106 is about 205.2216994761.

The spelling of 8643106 in words is "eight million, six hundred forty-three thousand, one hundred six".