16344943 has 4 divisors (see below), whose sum is σ = 16408800. Its totient is φ = 16281088.

The previous prime is 16344929. The next prime is 16344953. The reversal of 16344943 is 34944361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34944361 = 1951 ⋅17911.

It is a cyclic number.

It is not a de Polignac number, because 16344943 - 2⁹ = 16344431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16344899 and 16344908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16344953) 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, 31543 + ... + 32056.

It is an arithmetic number, because the mean of its divisors is an integer number (4102200).

Almost surely, 2^16344943 is an apocalyptic number.

16344943 is a deficient number, since it is larger than the sum of its proper divisors (63857).

16344943 is an equidigital number, since it uses as much as digits as its factorization.

16344943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63856.

The product of its digits is 31104, while the sum is 34.

The square root of 16344943 is about 4042.8879529366. The cubic root of 16344943 is about 253.7821876711.

The spelling of 16344943 in words is "sixteen million, three hundred forty-four thousand, nine hundred forty-three".