169944343 has 4 divisors (see below), whose sum is σ = 171853920. Its totient is φ = 168034768.

The previous prime is 169944331. The next prime is 169944349. The reversal of 169944343 is 343449961.

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

It is a cyclic number.

It is not a de Polignac number, because 169944343 - 2⁵ = 169944311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169944343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169944349) 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, 954655 + ... + 954832.

It is an arithmetic number, because the mean of its divisors is an integer number (42963480).

Almost surely, 2^169944343 is an apocalyptic number.

169944343 is a deficient number, since it is larger than the sum of its proper divisors (1909577).

169944343 is an equidigital number, since it uses as much as digits as its factorization.

169944343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909576.

The product of its digits is 279936, while the sum is 43.

The square root of 169944343 is about 13036.2702871642. The cubic root of 169944343 is about 553.9053640258.

The spelling of 169944343 in words is "one hundred sixty-nine million, nine hundred forty-four thousand, three hundred forty-three".