8099943 has 4 divisors (see below), whose sum is σ = 10799928. Its totient is φ = 5399960.

The previous prime is 8099921. The next prime is 8099963. The reversal of 8099943 is 3499908.

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 8099943 - 2⁶ = 8099879 is a prime.

8099943 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8099895 and 8099904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8099963) 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, 1349988 + ... + 1349993.

It is an arithmetic number, because the mean of its divisors is an integer number (2699982).

Almost surely, 2^8099943 is an apocalyptic number.

8099943 is a deficient number, since it is larger than the sum of its proper divisors (2699985).

8099943 is a wasteful number, since it uses less digits than its factorization.

8099943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699984.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 8099943 is about 2846.0398802547. The cubic root of 8099943 is about 200.8294139411.

The spelling of 8099943 in words is "eight million, ninety-nine thousand, nine hundred forty-three".