39797899 has 2 divisors, whose sum is σ = 39797900. Its totient is φ = 39797898.

The previous prime is 39797887. The next prime is 39797911. The reversal of 39797899 is 99879793.

39797899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (39797887) and next prime (39797911).

It is a cyclic number.

It is not a de Polignac number, because 39797899 - 2¹⁷ = 39666827 is a prime.

It is not a weakly prime, because it can be changed into another prime (39797819) 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, 19898949 + 19898950.

It is an arithmetic number, because the mean of its divisors is an integer number (19898950).

Almost surely, 2^39797899 is an apocalyptic number.

39797899 is a deficient number, since it is larger than the sum of its proper divisors (1).

39797899 is an equidigital number, since it uses as much as digits as its factorization.

39797899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 61.

The square root of 39797899 is about 6308.5576005930. The cubic root of 39797899 is about 341.4182368046.

The spelling of 39797899 in words is "thirty-nine million, seven hundred ninety-seven thousand, eight hundred ninety-nine".