38681116 has 6 divisors (see below), whose sum is σ = 67691960. Its totient is φ = 19340556.

The previous prime is 38681113. The next prime is 38681117. The reversal of 38681116 is 61118683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38681113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4835136 + ... + 4835143.

Almost surely, 2^38681116 is an apocalyptic number.

It is an amenable number.

38681116 is a deficient number, since it is larger than the sum of its proper divisors (29010844).

38681116 is a wasteful number, since it uses less digits than its factorization.

38681116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670283 (or 9670281 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 38681116 is about 6219.4144418908. The cubic root of 38681116 is about 338.1943375490.

Adding to 38681116 its reverse (61118683), we get a palindrome (99799799).

The spelling of 38681116 in words is "thirty-eight million, six hundred eighty-one thousand, one hundred sixteen".