16873297 has 6 divisors (see below), whose sum is σ = 19628178. Its totient is φ = 14462784.

The previous prime is 16873289. The next prime is 16873301. The reversal of 16873297 is 79237861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12103441 + 4769856 = 3479^2 + 2184^2 .

It is not a de Polignac number, because 16873297 - 2³ = 16873289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16873217) 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 5 ways as a sum of consecutive naturals, for example, 172128 + ... + 172225.

It is an arithmetic number, because the mean of its divisors is an integer number (3271363).

Almost surely, 2^16873297 is an apocalyptic number.

It is an amenable number.

16873297 is a deficient number, since it is larger than the sum of its proper divisors (2754881).

16873297 is an equidigital number, since it uses as much as digits as its factorization.

16873297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344367 (or 344360 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 16873297 is about 4107.7118934998. The cubic root of 16873297 is about 256.4877632993.

The spelling of 16873297 in words is "sixteen million, eight hundred seventy-three thousand, two hundred ninety-seven".