38138284 has 6 divisors (see below), whose sum is σ = 66742004. Its totient is φ = 19069140.

The previous prime is 38138281. The next prime is 38138297. The reversal of 38138284 is 48283183.

38138284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38138281) 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 as a sum of consecutive naturals, namely, 4767282 + ... + 4767289.

Almost surely, 2^38138284 is an apocalyptic number.

It is an amenable number.

38138284 is a deficient number, since it is larger than the sum of its proper divisors (28603720).

38138284 is a wasteful number, since it uses less digits than its factorization.

38138284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534575 (or 9534573 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 38138284 is about 6175.6201308047. The cubic root of 38138284 is about 336.6048605077.

The spelling of 38138284 in words is "thirty-eight million, one hundred thirty-eight thousand, two hundred eighty-four".