39964159 has 2 divisors, whose sum is σ = 39964160. Its totient is φ = 39964158.

The previous prime is 39964151. The next prime is 39964187. The reversal of 39964159 is 95146993.

It is a weak prime.

It is an emirp because it is prime and its reverse (95146993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39964159 - 2³ = 39964151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39964151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19982079 + 19982080.

It is an arithmetic number, because the mean of its divisors is an integer number (19982080).

Almost surely, 2^39964159 is an apocalyptic number.

39964159 is a deficient number, since it is larger than the sum of its proper divisors (1).

39964159 is an equidigital number, since it uses as much as digits as its factorization.

39964159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 46.

The square root of 39964159 is about 6321.7212054946. The cubic root of 39964159 is about 341.8930133987.

The spelling of 39964159 in words is "thirty-nine million, nine hundred sixty-four thousand, one hundred fifty-nine".