38938307 has 2 divisors, whose sum is σ = 38938308. Its totient is φ = 38938306.

The previous prime is 38938283. The next prime is 38938337. The reversal of 38938307 is 70383983.

It is a weak prime.

It is an emirp because it is prime and its reverse (70383983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38938307 - 2⁶ = 38938243 is a prime.

It is not a weakly prime, because it can be changed into another prime (38938337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19469153 + 19469154.

It is an arithmetic number, because the mean of its divisors is an integer number (19469154).

Almost surely, 2^38938307 is an apocalyptic number.

38938307 is a deficient number, since it is larger than the sum of its proper divisors (1).

38938307 is an equidigital number, since it uses as much as digits as its factorization.

38938307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38938307 is about 6240.0566503839. The cubic root of 38938307 is about 338.9422345397.

The spelling of 38938307 in words is "thirty-eight million, nine hundred thirty-eight thousand, three hundred seven".