38986142 has 8 divisors (see below), whose sum is σ = 62977656. Its totient is φ = 17993592.

The previous prime is 38986109. The next prime is 38986147. The reversal of 38986142 is 24168983.

38986142 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 a self number, because there is not a number n which added to its sum of digits gives 38986142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38986147) 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 3 ways as a sum of consecutive naturals, for example, 749708 + ... + 749759.

It is an arithmetic number, because the mean of its divisors is an integer number (7872207).

Almost surely, 2^38986142 is an apocalyptic number.

38986142 is a deficient number, since it is larger than the sum of its proper divisors (23991514).

38986142 is a wasteful number, since it uses less digits than its factorization.

38986142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499482.

The product of its digits is 82944, while the sum is 41.

The square root of 38986142 is about 6243.8883718401. Note that the first 3 decimals coincide. The cubic root of 38986142 is about 339.0809725274.

The spelling of 38986142 in words is "thirty-eight million, nine hundred eighty-six thousand, one hundred forty-two".