38891038 has 16 divisors (see below), whose sum is σ = 59639040. Its totient is φ = 19015200.

The previous prime is 38891023. The next prime is 38891063. The reversal of 38891038 is 83019883.

38891038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 22468 + ... + 24136.

It is an arithmetic number, because the mean of its divisors is an integer number (3727440).

Almost surely, 2^38891038 is an apocalyptic number.

38891038 is a deficient number, since it is larger than the sum of its proper divisors (20748002).

38891038 is a wasteful number, since it uses less digits than its factorization.

38891038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 38891038 is about 6236.2679544741. The cubic root of 38891038 is about 338.8050264863.

The spelling of 38891038 in words is "thirty-eight million, eight hundred ninety-one thousand, thirty-eight".