38668355 has 16 divisors (see below), whose sum is σ = 51128928. Its totient is φ = 27840000.

The previous prime is 38668351. The next prime is 38668361. The reversal of 38668355 is 55386683.

It is not a de Polignac number, because 38668355 - 2² = 38668351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38668351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (3195558).

Almost surely, 2^38668355 is an apocalyptic number.

38668355 is a deficient number, since it is larger than the sum of its proper divisors (12460573).

38668355 is a wasteful number, since it uses less digits than its factorization.

38668355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078.

The product of its digits is 518400, while the sum is 44.

The square root of 38668355 is about 6218.3884568271. The cubic root of 38668355 is about 338.1571430636.

It can be divided in two parts, 3866 and 8355, that added together give a palindrome (12221).

The spelling of 38668355 in words is "thirty-eight million, six hundred sixty-eight thousand, three hundred fifty-five".