16839538 has 16 divisors (see below), whose sum is σ = 25998336. Its totient is φ = 8177040.

The previous prime is 16839523. The next prime is 16839539. The reversal of 16839538 is 83593861.

It is a junction number, because it is equal to n+sod(n) for n = 16839494 and 16839503.

It is not an unprimeable number, because it can be changed into a prime (16839539) by changing a digit.

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, 9295 + ... + 10957.

It is an arithmetic number, because the mean of its divisors is an integer number (1624896).

Almost surely, 2^16839538 is an apocalyptic number.

16839538 is a deficient number, since it is larger than the sum of its proper divisors (9158798).

16839538 is a wasteful number, since it uses less digits than its factorization.

16839538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809.

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

The square root of 16839538 is about 4103.6006140949. The cubic root of 16839538 is about 256.3165943913.

The spelling of 16839538 in words is "sixteen million, eight hundred thirty-nine thousand, five hundred thirty-eight".