8372869 has 2 divisors, whose sum is σ = 8372870. Its totient is φ = 8372868.

The previous prime is 8372839. The next prime is 8372941. The reversal of 8372869 is 9682738.

8372869 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., 6563844 + 1809025 = 2562^2 + 1345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8372869 is a prime.

It is a super-2 number, since 2×8372869² = 140209870582322, which contains 22 as substring.

8372869 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8372809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4186434 + 4186435.

It is an arithmetic number, because the mean of its divisors is an integer number (4186435).

Almost surely, 2^8372869 is an apocalyptic number.

It is an amenable number.

8372869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8372869 is an equidigital number, since it uses as much as digits as its factorization.

8372869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 8372869 is about 2893.5910215509. The cubic root of 8372869 is about 203.0601793642.

The spelling of 8372869 in words is "eight million, three hundred seventy-two thousand, eight hundred sixty-nine".