38688533 has 8 divisors (see below), whose sum is σ = 41749176. Its totient is φ = 35640000.

The previous prime is 38688521. The next prime is 38688571. The reversal of 38688533 is 33588683.

It is a happy number.

38688533 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 7963684 + 30724849 = 2822^2 + 5543^2 .

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 38688533 - 2⁶ = 38688469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38688833) 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 in 7 ways as a sum of consecutive naturals, for example, 4283 + ... + 9783.

It is an arithmetic number, because the mean of its divisors is an integer number (5218647).

Almost surely, 2^38688533 is an apocalyptic number.

It is an amenable number.

38688533 is a deficient number, since it is larger than the sum of its proper divisors (3060643).

38688533 is a wasteful number, since it uses less digits than its factorization.

38688533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055.

The product of its digits is 414720, while the sum is 44.

The square root of 38688533 is about 6220.0106913091. The cubic root of 38688533 is about 338.2159521192.

The spelling of 38688533 in words is "thirty-eight million, six hundred eighty-eight thousand, five hundred thirty-three".