39848399 has 2 divisors, whose sum is σ = 39848400. Its totient is φ = 39848398.

The previous prime is 39848353. The next prime is 39848429. The reversal of 39848399 is 99384893.

It is a strong prime.

It is an emirp because it is prime and its reverse (99384893) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39848399 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39848399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39848099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19924199 + 19924200.

It is an arithmetic number, because the mean of its divisors is an integer number (19924200).

Almost surely, 2^39848399 is an apocalyptic number.

39848399 is a deficient number, since it is larger than the sum of its proper divisors (1).

39848399 is an equidigital number, since it uses as much as digits as its factorization.

39848399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 39848399 is about 6312.5588314090. The cubic root of 39848399 is about 341.5625855753.

The spelling of 39848399 in words is "thirty-nine million, eight hundred forty-eight thousand, three hundred ninety-nine".