8106643 has 8 divisors (see below), whose sum is σ = 8366400. Its totient is φ = 7849920.

The previous prime is 8106629. The next prime is 8106647. The reversal of 8106643 is 3466018.

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

It is a cyclic number.

It is not a de Polignac number, because 8106643 - 2⁵ = 8106611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8106647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5446 + ... + 6772.

It is an arithmetic number, because the mean of its divisors is an integer number (1045800).

Almost surely, 2^8106643 is an apocalyptic number.

8106643 is a deficient number, since it is larger than the sum of its proper divisors (259757).

8106643 is a wasteful number, since it uses less digits than its factorization.

8106643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517.

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

The square root of 8106643 is about 2847.2167111058. The cubic root of 8106643 is about 200.8847717893.

The spelling of 8106643 in words is "eight million, one hundred six thousand, six hundred forty-three".