16684793 has 4 divisors (see below), whose sum is σ = 17562960. Its totient is φ = 15806628.

The previous prime is 16684777. The next prime is 16684841. The reversal of 16684793 is 39748661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16684793 - 2⁴ = 16684777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16684753) 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 in 3 ways as a sum of consecutive naturals, for example, 439055 + ... + 439092.

It is an arithmetic number, because the mean of its divisors is an integer number (4390740).

Almost surely, 2^16684793 is an apocalyptic number.

It is an amenable number.

16684793 is a deficient number, since it is larger than the sum of its proper divisors (878167).

16684793 is an equidigital number, since it uses as much as digits as its factorization.

16684793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878166.

The product of its digits is 217728, while the sum is 44.

The square root of 16684793 is about 4084.7023147348. The cubic root of 16684793 is about 255.5290464486.

The spelling of 16684793 in words is "sixteen million, six hundred eighty-four thousand, seven hundred ninety-three".