16344429 has 32 divisors (see below), whose sum is σ = 24520320. Its totient is φ = 9633792.

The previous prime is 16344397. The next prime is 16344431. The reversal of 16344429 is 92444361.

It is not a de Polignac number, because 16344429 - 2⁵ = 16344397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16344429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16344439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63469 + ... + 63725.

It is an arithmetic number, because the mean of its divisors is an integer number (766260).

Almost surely, 2^16344429 is an apocalyptic number.

It is an amenable number.

16344429 is a deficient number, since it is larger than the sum of its proper divisors (8175891).

16344429 is a wasteful number, since it uses less digits than its factorization.

16344429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its digits is 20736, while the sum is 33.

The square root of 16344429 is about 4042.8243840167. The cubic root of 16344429 is about 253.7795274108.

The spelling of 16344429 in words is "sixteen million, three hundred forty-four thousand, four hundred twenty-nine".