38840116 has 12 divisors (see below), whose sum is σ = 77680288. Its totient is φ = 16645752.

The previous prime is 38840111. The next prime is 38840147. The reversal of 38840116 is 61104883.

38840116 is an admirable number.

It is a super-2 number, since 2×38840116² = 3017109221786912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38840111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693546 + ... + 693601.

Almost surely, 2^38840116 is an apocalyptic number.

It is an amenable number.

38840116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38840116 is a wasteful number, since it uses less digits than its factorization.

38840116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387158 (or 1387156 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 38840116 is about 6232.1838868891. The cubic root of 38840116 is about 338.6570903906.

Adding to 38840116 its reverse (61104883), we get a palindrome (99944999).

It can be divided in two parts, 388 and 40116, that added together give a palindrome (40504).

The spelling of 38840116 in words is "thirty-eight million, eight hundred forty thousand, one hundred sixteen".