38861113 has 2 divisors, whose sum is σ = 38861114. Its totient is φ = 38861112.

The previous prime is 38861107. The next prime is 38861171. The reversal of 38861113 is 31116883.

38861113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24176889 + 14684224 = 4917^2 + 3832^2 .

It is a cyclic number.

It is not a de Polignac number, because 38861113 - 2¹³ = 38852921 is a prime.

It is a super-2 number, since 2×38861113² = 3020372207197538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38861183) 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, 19430556 + 19430557.

It is an arithmetic number, because the mean of its divisors is an integer number (19430557).

Almost surely, 2^38861113 is an apocalyptic number.

It is an amenable number.

38861113 is a deficient number, since it is larger than the sum of its proper divisors (1).

38861113 is an equidigital number, since it uses as much as digits as its factorization.

38861113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 38861113 is about 6233.8682212572. The cubic root of 38861113 is about 338.7181055014.

Adding to 38861113 its reverse (31116883), we get a palindrome (69977996).

The spelling of 38861113 in words is "thirty-eight million, eight hundred sixty-one thousand, one hundred thirteen".