8004869 has 2 divisors, whose sum is σ = 8004870. Its totient is φ = 8004868.

The previous prime is 8004853. The next prime is 8004877. The reversal of 8004869 is 9684008.

8004869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4674244 + 3330625 = 2162^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 8004869 - 2⁴ = 8004853 is a prime.

It is a super-2 number, since 2×8004869² = 128155855414322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8004889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002434 + 4002435.

It is an arithmetic number, because the mean of its divisors is an integer number (4002435).

Almost surely, 2^8004869 is an apocalyptic number.

It is an amenable number.

8004869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8004869 is an equidigital number, since it uses as much as digits as its factorization.

8004869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 8004869 is about 2829.2877195506. The cubic root of 8004869 is about 200.0405667711.

The spelling of 8004869 in words is "eight million, four thousand, eight hundred sixty-nine".