38655538 has 32 divisors (see below), whose sum is σ = 64088640. Its totient is φ = 17418240.

The previous prime is 38655511. The next prime is 38655541. The reversal of 38655538 is 83555683.

38655538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 38655494 and 38655503.

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 15 ways as a sum of consecutive naturals, for example, 66706 + ... + 67282.

It is an arithmetic number, because the mean of its divisors is an integer number (2002770).

Almost surely, 2^38655538 is an apocalyptic number.

38655538 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38655538 is a deficient number, since it is larger than the sum of its proper divisors (25433102).

38655538 is a wasteful number, since it uses less digits than its factorization.

38655538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its digits is 432000, while the sum is 43.

The square root of 38655538 is about 6217.3577989368. The cubic root of 38655538 is about 338.1197771170.

It can be divided in two parts, 38655 and 538, that added together give a palindrome (39193).

The spelling of 38655538 in words is "thirty-eight million, six hundred fifty-five thousand, five hundred thirty-eight".