38684263 has 2 divisors, whose sum is σ = 38684264. Its totient is φ = 38684262.

The previous prime is 38684257. The next prime is 38684267. The reversal of 38684263 is 36248683.

38684263 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 a de Polignac number, because none of the positive numbers 2^k-38684263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38684267) 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, 19342131 + 19342132.

It is an arithmetic number, because the mean of its divisors is an integer number (19342132).

Almost surely, 2^38684263 is an apocalyptic number.

38684263 is a deficient number, since it is larger than the sum of its proper divisors (1).

38684263 is an equidigital number, since it uses as much as digits as its factorization.

38684263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 38684263 is about 6219.6674348393. The cubic root of 38684263 is about 338.2035088521.

The spelling of 38684263 in words is "thirty-eight million, six hundred eighty-four thousand, two hundred sixty-three".