8127385 has 20 divisors (see below), whose sum is σ = 11394468. Its totient is φ = 5564832.

The previous prime is 8127341. The next prime is 8127397. The reversal of 8127385 is 5837218.

It can be written as a sum of positive squares in 2 ways, for example, as 6245001 + 1882384 = 2499^2 + 1372^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8127385 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8127385.

It is an unprimeable number.

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 in 19 ways as a sum of consecutive naturals, for example, 11667 + ... + 12343.

Almost surely, 2^8127385 is an apocalyptic number.

It is an amenable number.

8127385 is a deficient number, since it is larger than the sum of its proper divisors (3267083).

8127385 is an frugal number, since it uses more digits than its factorization.

8127385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 689 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 8127385 is about 2850.8568887266. The cubic root of 8127385 is about 201.0559566326.

The spelling of 8127385 in words is "eight million, one hundred twenty-seven thousand, three hundred eighty-five".