38646668 has 6 divisors (see below), whose sum is σ = 67631676. Its totient is φ = 19323332.

The previous prime is 38646659. The next prime is 38646679. The reversal of 38646668 is 86664683.

38646668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 4830830 + ... + 4830837.

It is an arithmetic number, because the mean of its divisors is an integer number (11271946).

Almost surely, 2^38646668 is an apocalyptic number.

It is an amenable number.

38646668 is a deficient number, since it is larger than the sum of its proper divisors (28985008).

38646668 is a wasteful number, since it uses less digits than its factorization.

38646668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661671 (or 9661669 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 38646668 is about 6216.6444324893. The cubic root of 38646668 is about 338.0939131917.

The spelling of 38646668 in words is "thirty-eight million, six hundred forty-six thousand, six hundred sixty-eight".