16739923 has 2 divisors, whose sum is σ = 16739924. Its totient is φ = 16739922.

The previous prime is 16739911. The next prime is 16739939. The reversal of 16739923 is 32993761.

It is a weak prime.

It is an emirp because it is prime and its reverse (32993761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16739923 is a prime.

It is not a weakly prime, because it can be changed into another prime (16739903) 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 as a sum of consecutive naturals, namely, 8369961 + 8369962.

It is an arithmetic number, because the mean of its divisors is an integer number (8369962).

Almost surely, 2^16739923 is an apocalyptic number.

16739923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16739923 is an equidigital number, since it uses as much as digits as its factorization.

16739923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 40.

The square root of 16739923 is about 4091.4450992284. The cubic root of 16739923 is about 255.8101772753.

The spelling of 16739923 in words is "sixteen million, seven hundred thirty-nine thousand, nine hundred twenty-three".