38889111 has 8 divisors (see below), whose sum is σ = 51882880. Its totient is φ = 25910712.

The previous prime is 38889101. The next prime is 38889131. The reversal of 38889111 is 11198883.

38889111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38889111 - 2⁵ = 38889079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38889111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38889101) by changing a digit.

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, 4920 + ... + 10098.

It is an arithmetic number, because the mean of its divisors is an integer number (6485360).

Almost surely, 2^38889111 is an apocalyptic number.

38889111 is a deficient number, since it is larger than the sum of its proper divisors (12993769).

38889111 is a wasteful number, since it uses less digits than its factorization.

38889111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685.

The product of its digits is 13824, while the sum is 39.

The square root of 38889111 is about 6236.1134531052. The cubic root of 38889111 is about 338.7994306121.

The spelling of 38889111 in words is "thirty-eight million, eight hundred eighty-nine thousand, one hundred eleven".