38012638 has 16 divisors (see below), whose sum is σ = 58947120. Its totient is φ = 18374400.

The previous prime is 38012609. The next prime is 38012641. The reversal of 38012638 is 83621083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4558 + ... + 9838.

It is an arithmetic number, because the mean of its divisors is an integer number (3684195).

Almost surely, 2^38012638 is an apocalyptic number.

38012638 is a deficient number, since it is larger than the sum of its proper divisors (20934482).

38012638 is a wasteful number, since it uses less digits than its factorization.

38012638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 38012638 is about 6165.4389949135. The cubic root of 38012638 is about 336.2348072902.

The spelling of 38012638 in words is "thirty-eight million, twelve thousand, six hundred thirty-eight".