16839385 has 8 divisors (see below), whose sum is σ = 20232000. Its totient is φ = 13455024.

The previous prime is 16839379. The next prime is 16839391. The reversal of 16839385 is 58393861.

It is an interprime number because it is at equal distance from previous prime (16839379) and next prime (16839391).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16839385 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 4116 + ... + 7114.

It is an arithmetic number, because the mean of its divisors is an integer number (2529000).

Almost surely, 2^16839385 is an apocalyptic number.

It is an amenable number.

16839385 is a deficient number, since it is larger than the sum of its proper divisors (3392615).

16839385 is a wasteful number, since it uses less digits than its factorization.

16839385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127.

The product of its digits is 155520, while the sum is 43.

The square root of 16839385 is about 4103.5819718875. The cubic root of 16839385 is about 256.3158181119.

It can be divided in two parts, 1 and 6839385, that added together give a palindrome (6839386).

The spelling of 16839385 in words is "sixteen million, eight hundred thirty-nine thousand, three hundred eighty-five".