16327939 has 4 divisors (see below), whose sum is σ = 17288424. Its totient is φ = 15367456.

The previous prime is 16327903. The next prime is 16327943. The reversal of 16327939 is 93972361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93972361 = 7 ⋅13424623.

It is not a de Polignac number, because 16327939 - 2⁹ = 16327427 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16327039) 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, 480217 + ... + 480250.

It is an arithmetic number, because the mean of its divisors is an integer number (4322106).

Almost surely, 2^16327939 is an apocalyptic number.

16327939 is a deficient number, since it is larger than the sum of its proper divisors (960485).

16327939 is an equidigital number, since it uses as much as digits as its factorization.

16327939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960484.

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

The square root of 16327939 is about 4040.7844535436. The cubic root of 16327939 is about 253.6941520909.

The spelling of 16327939 in words is "sixteen million, three hundred twenty-seven thousand, nine hundred thirty-nine".