173443361 has 32 divisors (see below), whose sum is σ = 218792448. Its totient is φ = 133862400.

The previous prime is 173443349. The next prime is 173443363. The reversal of 173443361 is 163344371.

It is not a de Polignac number, because 173443361 - 2⁶ = 173443297 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (173443363) 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 31 ways as a sum of consecutive naturals, for example, 1038500 + ... + 1038666.

It is an arithmetic number, because the mean of its divisors is an integer number (6837264).

Almost surely, 2^173443361 is an apocalyptic number.

It is an amenable number.

173443361 is a deficient number, since it is larger than the sum of its proper divisors (45349087).

173443361 is a wasteful number, since it uses less digits than its factorization.

173443361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its digits is 18144, while the sum is 32.

The square root of 173443361 is about 13169.7897097866. The cubic root of 173443361 is about 557.6810579112.

The spelling of 173443361 in words is "one hundred seventy-three million, four hundred forty-three thousand, three hundred sixty-one".