16839868 has 12 divisors (see below), whose sum is σ = 29801520. Its totient is φ = 8325152.

The previous prime is 16839863. The next prime is 16839881. The reversal of 16839868 is 86893861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16839863) 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 3 ways as a sum of consecutive naturals, for example, 23296 + ... + 24007.

It is an arithmetic number, because the mean of its divisors is an integer number (2483460).

Almost surely, 2^16839868 is an apocalyptic number.

It is an amenable number.

16839868 is a deficient number, since it is larger than the sum of its proper divisors (12961652).

16839868 is a wasteful number, since it uses less digits than its factorization.

16839868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47396 (or 47394 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 16839868 is about 4103.6408224892. The cubic root of 16839868 is about 256.3182687033.

The spelling of 16839868 in words is "sixteen million, eight hundred thirty-nine thousand, eight hundred sixty-eight".