16002439 has 2 divisors, whose sum is σ = 16002440. Its totient is φ = 16002438.

The previous prime is 16002433. The next prime is 16002443. The reversal of 16002439 is 93420061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16002439 - 2¹³ = 15994247 is a prime.

16002439 is a modest number, since divided by 2439 gives 160 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16002433) 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 as a sum of consecutive naturals, namely, 8001219 + 8001220.

It is an arithmetic number, because the mean of its divisors is an integer number (8001220).

Almost surely, 2^16002439 is an apocalyptic number.

16002439 is a deficient number, since it is larger than the sum of its proper divisors (1).

16002439 is an equidigital number, since it uses as much as digits as its factorization.

16002439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 16002439 is about 4000.3048633823. The cubic root of 16002439 is about 251.9970132761.

The spelling of 16002439 in words is "sixteen million, two thousand, four hundred thirty-nine".