38429999 has 2 divisors, whose sum is σ = 38430000. Its totient is φ = 38429998.

The previous prime is 38429983. The next prime is 38430011. The reversal of 38429999 is 99992483.

38429999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (99992483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38429999 - 2⁴ = 38429983 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

38429999 is a modest number, since divided by 9999 gives 3842 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 38429999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38429969) 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, 19214999 + 19215000.

It is an arithmetic number, because the mean of its divisors is an integer number (19215000).

Almost surely, 2^38429999 is an apocalyptic number.

38429999 is a deficient number, since it is larger than the sum of its proper divisors (1).

38429999 is an equidigital number, since it uses as much as digits as its factorization.

38429999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 53.

The square root of 38429999 is about 6199.1934152759. The cubic root of 38429999 is about 337.4608978933.

The spelling of 38429999 in words is "thirty-eight million, four hundred twenty-nine thousand, nine hundred ninety-nine".