38693539 has 2 divisors, whose sum is σ = 38693540. Its totient is φ = 38693538.

The previous prime is 38693537. The next prime is 38693563. The reversal of 38693539 is 93539683.

38693539 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 (93539683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38693539 - 2¹ = 38693537 is a prime.

Together with 38693537, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38693533) 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, 19346769 + 19346770.

It is an arithmetic number, because the mean of its divisors is an integer number (19346770).

Almost surely, 2^38693539 is an apocalyptic number.

38693539 is a deficient number, since it is larger than the sum of its proper divisors (1).

38693539 is an equidigital number, since it uses as much as digits as its factorization.

38693539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 46.

The square root of 38693539 is about 6220.4130891766. The cubic root of 38693539 is about 338.2305390084.

The spelling of 38693539 in words is "thirty-eight million, six hundred ninety-three thousand, five hundred thirty-nine".