8399873 has 2 divisors, whose sum is σ = 8399874. Its totient is φ = 8399872.

The previous prime is 8399863. The next prime is 8399893. The reversal of 8399873 is 3789938.

8399873 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., 5326864 + 3073009 = 2308^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 8399873 - 2¹⁴ = 8383489 is a prime.

It is a super-2 number, since 2×8399873² = 141115732832258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8399863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199936 + 4199937.

It is an arithmetic number, because the mean of its divisors is an integer number (4199937).

Almost surely, 2^8399873 is an apocalyptic number.

It is an amenable number.

8399873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8399873 is an equidigital number, since it uses as much as digits as its factorization.

8399873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 8399873 is about 2898.2534395736. The cubic root of 8399873 is about 203.2782468948.

The spelling of 8399873 in words is "eight million, three hundred ninety-nine thousand, eight hundred seventy-three".