38708689 has 2 divisors, whose sum is σ = 38708690. Its totient is φ = 38708688.

The previous prime is 38708651. The next prime is 38708717. The reversal of 38708689 is 98680783.

It is a happy number.

38708689 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 can be written as a sum of positive squares in only one way, i.e., 38651089 + 57600 = 6217^2 + 240^2 .

It is an emirp because it is prime and its reverse (98680783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38708689 - 2¹¹ = 38706641 is a prime.

It is not a weakly prime, because it can be changed into another prime (38708629) 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, 19354344 + 19354345.

It is an arithmetic number, because the mean of its divisors is an integer number (19354345).

Almost surely, 2^38708689 is an apocalyptic number.

It is an amenable number.

38708689 is a deficient number, since it is larger than the sum of its proper divisors (1).

38708689 is an equidigital number, since it uses as much as digits as its factorization.

38708689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 38708689 is about 6221.6307347833. The cubic root of 38708689 is about 338.2746766446.

The spelling of 38708689 in words is "thirty-eight million, seven hundred eight thousand, six hundred eighty-nine".