38538685 has 16 divisors (see below), whose sum is σ = 49175424. Its totient is φ = 28929472.

The previous prime is 38538683. The next prime is 38538713. The reversal of 38538685 is 58683583.

38538685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38538685 - 2¹ = 38538683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38538683) 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 15 ways as a sum of consecutive naturals, for example, 2934 + ... + 9256.

It is an arithmetic number, because the mean of its divisors is an integer number (3073464).

Almost surely, 2^38538685 is an apocalyptic number.

It is an amenable number.

38538685 is a deficient number, since it is larger than the sum of its proper divisors (10636739).

38538685 is a wasteful number, since it uses less digits than its factorization.

38538685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404.

The product of its digits is 691200, while the sum is 46.

The square root of 38538685 is about 6207.9533664486. The cubic root of 38538685 is about 337.7787290494.

The spelling of 38538685 in words is "thirty-eight million, five hundred thirty-eight thousand, six hundred eighty-five".