8099969 has 2 divisors, whose sum is σ = 8099970. Its totient is φ = 8099968.

The previous prime is 8099963. The next prime is 8099981. The reversal of 8099969 is 9699908.

8099969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7360369 + 739600 = 2713^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 8099969 - 2⁸ = 8099713 is a prime.

It is a super-2 number, since 2×8099969² = 131218995601922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8099963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4049984 + 4049985.

It is an arithmetic number, because the mean of its divisors is an integer number (4049985).

Almost surely, 2^8099969 is an apocalyptic number.

It is an amenable number.

8099969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8099969 is an equidigital number, since it uses as much as digits as its factorization.

8099969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 8099969 is about 2846.0444480015. The cubic root of 8099969 is about 200.8296288216.

The spelling of 8099969 in words is "eight million, ninety-nine thousand, nine hundred sixty-nine".