2016439 has 2 divisors, whose sum is σ = 2016440. Its totient is φ = 2016438.

The previous prime is 2016419. The next prime is 2016449. The reversal of 2016439 is 9346102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2016439 - 2⁵ = 2016407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2016409) 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, 1008219 + 1008220.

It is an arithmetic number, because the mean of its divisors is an integer number (1008220).

2^2016439 is an apocalyptic number.

2016439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016439 is an equidigital number, since it uses as much as digits as its factorization.

2016439 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 2016439 is about 1420.0137323280. The cubic root of 2016439 is about 126.3363608705.

The spelling of 2016439 in words is "two million, sixteen thousand, four hundred thirty-nine".