16808343 has 4 divisors (see below), whose sum is σ = 22411128. Its totient is φ = 11205560.

The previous prime is 16808339. The next prime is 16808347. The reversal of 16808343 is 34380861.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16808339) and next prime (16808347).

It is a cyclic number.

It is not a de Polignac number, because 16808343 - 2² = 16808339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16808347) 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, 2801388 + ... + 2801393.

It is an arithmetic number, because the mean of its divisors is an integer number (5602782).

Almost surely, 2^16808343 is an apocalyptic number.

16808343 is a deficient number, since it is larger than the sum of its proper divisors (5602785).

16808343 is an equidigital number, since it uses as much as digits as its factorization.

16808343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602784.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 16808343 is about 4099.7979218493. The cubic root of 16808343 is about 256.1582222987.

The spelling of 16808343 in words is "sixteen million, eight hundred eight thousand, three hundred forty-three".