39968099 has 2 divisors, whose sum is σ = 39968100. Its totient is φ = 39968098.

The previous prime is 39968081. The next prime is 39968107. The reversal of 39968099 is 99086993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39968099 - 2⁸ = 39967843 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 39968099.

It is not a weakly prime, because it can be changed into another prime (39968009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19984049 + 19984050.

It is an arithmetic number, because the mean of its divisors is an integer number (19984050).

Almost surely, 2^39968099 is an apocalyptic number.

39968099 is a deficient number, since it is larger than the sum of its proper divisors (1).

39968099 is an equidigital number, since it uses as much as digits as its factorization.

39968099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 39968099 is about 6322.0328218066. The cubic root of 39968099 is about 341.9042485841.

The spelling of 39968099 in words is "thirty-nine million, nine hundred sixty-eight thousand, ninety-nine".