39468439 has 2 divisors, whose sum is σ = 39468440. Its totient is φ = 39468438.

The previous prime is 39468421. The next prime is 39468469. The reversal of 39468439 is 93486493.

It is a weak prime.

It is an emirp because it is prime and its reverse (93486493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39468439 - 2¹¹ = 39466391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39468469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19734219 + 19734220.

It is an arithmetic number, because the mean of its divisors is an integer number (19734220).

Almost surely, 2^39468439 is an apocalyptic number.

39468439 is a deficient number, since it is larger than the sum of its proper divisors (1).

39468439 is an equidigital number, since it uses as much as digits as its factorization.

39468439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 39468439 is about 6282.3911848913. The cubic root of 39468439 is about 340.4735011719.

The spelling of 39468439 in words is "thirty-nine million, four hundred sixty-eight thousand, four hundred thirty-nine".