38789705 has 8 divisors (see below), whose sum is σ = 46696392. Its totient is φ = 30932608.

The previous prime is 38789689. The next prime is 38789713. The reversal of 38789705 is 50798783.

38789705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1567504 + 37222201 = 1252^2 + 6101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38789705 - 2⁴ = 38789689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38789705.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10652 + ... + 13821.

It is an arithmetic number, because the mean of its divisors is an integer number (5837049).

Almost surely, 2^38789705 is an apocalyptic number.

It is an amenable number.

38789705 is a deficient number, since it is larger than the sum of its proper divisors (7906687).

38789705 is a wasteful number, since it uses less digits than its factorization.

38789705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24795.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 38789705 is about 6228.1381648130. The cubic root of 38789705 is about 338.5105114093.

The spelling of 38789705 in words is "thirty-eight million, seven hundred eighty-nine thousand, seven hundred five".