38355887 has 2 divisors, whose sum is σ = 38355888. Its totient is φ = 38355886.

The previous prime is 38355853. The next prime is 38355899. The reversal of 38355887 is 78855383.

38355887 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 is a cyclic number.

It is not a de Polignac number, because 38355887 - 2⁸ = 38355631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38355817) 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, 19177943 + 19177944.

It is an arithmetic number, because the mean of its divisors is an integer number (19177944).

Almost surely, 2^38355887 is an apocalyptic number.

38355887 is a deficient number, since it is larger than the sum of its proper divisors (1).

38355887 is an equidigital number, since it uses as much as digits as its factorization.

38355887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 47.

The square root of 38355887 is about 6193.2129787373. The cubic root of 38355887 is about 337.2438279210.

The spelling of 38355887 in words is "thirty-eight million, three hundred fifty-five thousand, eight hundred eighty-seven".