8385139 has 16 divisors (see below), whose sum is σ = 9907200. Its totient is φ = 6948864.

The previous prime is 8385119. The next prime is 8385161. The reversal of 8385139 is 9315838.

It is a cyclic number.

It is not a de Polignac number, because 8385139 - 2⁵ = 8385107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8385098 and 8385107.

It is not an unprimeable number, because it can be changed into a prime (8385109) 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 15 ways as a sum of consecutive naturals, for example, 32499 + ... + 32755.

It is an arithmetic number, because the mean of its divisors is an integer number (619200).

Almost surely, 2^8385139 is an apocalyptic number.

8385139 is a deficient number, since it is larger than the sum of its proper divisors (1522061).

8385139 is a wasteful number, since it uses less digits than its factorization.

8385139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its digits is 25920, while the sum is 37.

The square root of 8385139 is about 2895.7104482320. The cubic root of 8385139 is about 203.1593222949.

The spelling of 8385139 in words is "eight million, three hundred eighty-five thousand, one hundred thirty-nine".