16939273 has 16 divisors (see below), whose sum is σ = 19030032. Its totient is φ = 14976000.

The previous prime is 16939271. The next prime is 16939283. The reversal of 16939273 is 37293961.

It can be written as a sum of positive squares in 8 ways, for example, as 10220809 + 6718464 = 3197^2 + 2592^2 .

It is not a de Polignac number, because 16939273 - 2¹ = 16939271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16939271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32253 + ... + 32773.

It is an arithmetic number, because the mean of its divisors is an integer number (1189377).

Almost surely, 2^16939273 is an apocalyptic number.

16939273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16939273 is a deficient number, since it is larger than the sum of its proper divisors (2090759).

16939273 is a wasteful number, since it uses less digits than its factorization.

16939273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its digits is 61236, while the sum is 40.

The square root of 16939273 is about 4115.7348068115. The cubic root of 16939273 is about 256.8216247241.

The spelling of 16939273 in words is "sixteen million, nine hundred thirty-nine thousand, two hundred seventy-three".