39345899 has 2 divisors, whose sum is σ = 39345900. Its totient is φ = 39345898.

The previous prime is 39345883. The next prime is 39345949. The reversal of 39345899 is 99854393.

It is an a-pointer prime, because the next prime (39345949) can be obtained adding 39345899 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39345899 - 2⁴ = 39345883 is a prime.

It is not a weakly prime, because it can be changed into another prime (39345829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19672949 + 19672950.

It is an arithmetic number, because the mean of its divisors is an integer number (19672950).

Almost surely, 2^39345899 is an apocalyptic number.

39345899 is a deficient number, since it is larger than the sum of its proper divisors (1).

39345899 is an equidigital number, since it uses as much as digits as its factorization.

39345899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 50.

The square root of 39345899 is about 6272.6309472182. The cubic root of 39345899 is about 340.1207731268.

The spelling of 39345899 in words is "thirty-nine million, three hundred forty-five thousand, eight hundred ninety-nine".