38868113 has 2 divisors, whose sum is σ = 38868114. Its totient is φ = 38868112.

The previous prime is 38868101. The next prime is 38868127. The reversal of 38868113 is 31186883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35438209 + 3429904 = 5953^2 + 1852^2 .

It is a cyclic number.

It is not a de Polignac number, because 38868113 - 2⁴ = 38868097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38868913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19434056 + 19434057.

It is an arithmetic number, because the mean of its divisors is an integer number (19434057).

Almost surely, 2^38868113 is an apocalyptic number.

It is an amenable number.

38868113 is a deficient number, since it is larger than the sum of its proper divisors (1).

38868113 is an equidigital number, since it uses as much as digits as its factorization.

38868113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 38868113 is about 6234.4296451239. The cubic root of 38868113 is about 338.7384418926.

The spelling of 38868113 in words is "thirty-eight million, eight hundred sixty-eight thousand, one hundred thirteen".