16938359 has 2 divisors, whose sum is σ = 16938360. Its totient is φ = 16938358.

The previous prime is 16938353. The next prime is 16938379. The reversal of 16938359 is 95383961.

It is a weak prime.

It is an emirp because it is prime and its reverse (95383961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16938359 - 2⁴ = 16938343 is a prime.

It is a super-2 number, since 2×16938359² = 573816011225762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16938353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469179 + 8469180.

It is an arithmetic number, because the mean of its divisors is an integer number (8469180).

Almost surely, 2^16938359 is an apocalyptic number.

16938359 is a deficient number, since it is larger than the sum of its proper divisors (1).

16938359 is an equidigital number, since it uses as much as digits as its factorization.

16938359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The square root of 16938359 is about 4115.6237680332. The cubic root of 16938359 is about 256.8170054942.

The spelling of 16938359 in words is "sixteen million, nine hundred thirty-eight thousand, three hundred fifty-nine".