38689543 has 2 divisors, whose sum is σ = 38689544. Its totient is φ = 38689542.

The previous prime is 38689499. The next prime is 38689561. The reversal of 38689543 is 34598683.

38689543 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 38689543 - 2¹³ = 38681351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38689493 and 38689502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38689043) 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, 19344771 + 19344772.

It is an arithmetic number, because the mean of its divisors is an integer number (19344772).

Almost surely, 2^38689543 is an apocalyptic number.

38689543 is a deficient number, since it is larger than the sum of its proper divisors (1).

38689543 is an equidigital number, since it uses as much as digits as its factorization.

38689543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 38689543 is about 6220.0918803503. The cubic root of 38689543 is about 338.2188952405.

The spelling of 38689543 in words is "thirty-eight million, six hundred eighty-nine thousand, five hundred forty-three".