38818916 has 12 divisors (see below), whose sum is σ = 67976832. Its totient is φ = 19396968.

The previous prime is 38818867. The next prime is 38818937. The reversal of 38818916 is 61981883.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9941 + ... + 13283.

It is an arithmetic number, because the mean of its divisors is an integer number (5664736).

Almost surely, 2^38818916 is an apocalyptic number.

It is an amenable number.

38818916 is a deficient number, since it is larger than the sum of its proper divisors (29157916).

38818916 is a wasteful number, since it uses less digits than its factorization.

38818916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250 (or 6248 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 38818916 is about 6230.4828063321. The cubic root of 38818916 is about 338.5954630689.

The spelling of 38818916 in words is "thirty-eight million, eight hundred eighteen thousand, nine hundred sixteen".