8126369 has 4 divisors (see below), whose sum is σ = 8210244. Its totient is φ = 8042496.

The previous prime is 8126333. The next prime is 8126401. The reversal of 8126369 is 9636218.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6436369 + 1690000 = 2537^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 8126369 - 2¹² = 8122273 is a prime.

It is a super-2 number, since 2×8126369² = 132075746248322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8126869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41792 + ... + 41985.

It is an arithmetic number, because the mean of its divisors is an integer number (2052561).

Almost surely, 2^8126369 is an apocalyptic number.

It is an amenable number.

8126369 is a deficient number, since it is larger than the sum of its proper divisors (83875).

8126369 is an equidigital number, since it uses as much as digits as its factorization.

8126369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83874.

The product of its digits is 15552, while the sum is 35.

The square root of 8126369 is about 2850.6786911190. The cubic root of 8126369 is about 201.0475783181.

The spelling of 8126369 in words is "eight million, one hundred twenty-six thousand, three hundred sixty-nine".