38856863 has 2 divisors, whose sum is σ = 38856864. Its totient is φ = 38856862.

The previous prime is 38856847. The next prime is 38856887. The reversal of 38856863 is 36865883.

38856863 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 is an emirp because it is prime and its reverse (36865883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38856863 - 2⁴ = 38856847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38856833) 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, 19428431 + 19428432.

It is an arithmetic number, because the mean of its divisors is an integer number (19428432).

Almost surely, 2^38856863 is an apocalyptic number.

38856863 is a deficient number, since it is larger than the sum of its proper divisors (1).

38856863 is an equidigital number, since it uses as much as digits as its factorization.

38856863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 38856863 is about 6233.5273320970. The cubic root of 38856863 is about 338.7057572153.

The spelling of 38856863 in words is "thirty-eight million, eight hundred fifty-six thousand, eight hundred sixty-three".