38968213 has 2 divisors, whose sum is σ = 38968214. Its totient is φ = 38968212.

The previous prime is 38968157. The next prime is 38968219. The reversal of 38968213 is 31286983.

38968213 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 can be written as a sum of positive squares in only one way, i.e., 28483569 + 10484644 = 5337^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 38968213 - 2⁹ = 38967701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38968219) 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, 19484106 + 19484107.

It is an arithmetic number, because the mean of its divisors is an integer number (19484107).

Almost surely, 2^38968213 is an apocalyptic number.

It is an amenable number.

38968213 is a deficient number, since it is larger than the sum of its proper divisors (1).

38968213 is an equidigital number, since it uses as much as digits as its factorization.

38968213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 38968213 is about 6242.4524827987. The cubic root of 38968213 is about 339.0289855510.

The spelling of 38968213 in words is "thirty-eight million, nine hundred sixty-eight thousand, two hundred thirteen".