39969359 has 2 divisors, whose sum is σ = 39969360. Its totient is φ = 39969358.

The previous prime is 39969353. The next prime is 39969421. The reversal of 39969359 is 95396993.

39969359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (95396993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39969359 - 2¹⁶ = 39903823 is a prime.

It is a super-3 number, since 3×39969359³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39969359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39969353) 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, 19984679 + 19984680.

It is an arithmetic number, because the mean of its divisors is an integer number (19984680).

Almost surely, 2^39969359 is an apocalyptic number.

39969359 is a deficient number, since it is larger than the sum of its proper divisors (1).

39969359 is an equidigital number, since it uses as much as digits as its factorization.

39969359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1771470, while the sum is 53.

The square root of 39969359 is about 6322.1324725127. The cubic root of 39969359 is about 341.9078414063.

The spelling of 39969359 in words is "thirty-nine million, nine hundred sixty-nine thousand, three hundred fifty-nine".