38189868 has 24 divisors (see below), whose sum is σ = 92183280. Its totient is φ = 12290880.

The previous prime is 38189831. The next prime is 38189873. The reversal of 38189868 is 86898183.

It is a happy number.

38189868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38189868.

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 in 7 ways as a sum of consecutive naturals, for example, 54523 + ... + 55218.

It is an arithmetic number, because the mean of its divisors is an integer number (3840970).

Almost surely, 2^38189868 is an apocalyptic number.

It is an amenable number.

38189868 is an abundant number, since it is smaller than the sum of its proper divisors (53993412).

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

38189868 is a wasteful number, since it uses less digits than its factorization.

38189868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109777 (or 109775 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 38189868 is about 6179.7951422357. The cubic root of 38189868 is about 336.7565506282.

The spelling of 38189868 in words is "thirty-eight million, one hundred eighty-nine thousand, eight hundred sixty-eight".