38269939 has 2 divisors, whose sum is σ = 38269940. Its totient is φ = 38269938.

The previous prime is 38269909. The next prime is 38269943. The reversal of 38269939 is 93996283.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93996283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38269939 - 2¹¹ = 38267891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38269892 and 38269901.

It is not a weakly prime, because it can be changed into another prime (38269909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19134969 + 19134970.

It is an arithmetic number, because the mean of its divisors is an integer number (19134970).

Almost surely, 2^38269939 is an apocalyptic number.

38269939 is a deficient number, since it is larger than the sum of its proper divisors (1).

38269939 is an equidigital number, since it uses as much as digits as its factorization.

38269939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 49.

The square root of 38269939 is about 6186.2702010177. The cubic root of 38269939 is about 336.9917405015.

The spelling of 38269939 in words is "thirty-eight million, two hundred sixty-nine thousand, nine hundred thirty-nine".