16028239 has 4 divisors (see below), whose sum is σ = 16036840. Its totient is φ = 16019640.

The previous prime is 16028237. The next prime is 16028249. The reversal of 16028239 is 93282061.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93282061 = 197 ⋅473513.

It is a cyclic number.

It is not a de Polignac number, because 16028239 - 2¹ = 16028237 is a prime.

It is a super-2 number, since 2×16028239² = 513808890882242, which contains 22 as substring.

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 16028239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16028237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204 + ... + 5665.

It is an arithmetic number, because the mean of its divisors is an integer number (4009210).

Almost surely, 2^16028239 is an apocalyptic number.

16028239 is a deficient number, since it is larger than the sum of its proper divisors (8601).

16028239 is an equidigital number, since it uses as much as digits as its factorization.

16028239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16028239 is about 4003.5283188707. The cubic root of 16028239 is about 252.1323683103.

The spelling of 16028239 in words is "sixteen million, twenty-eight thousand, two hundred thirty-nine".