38065638 has 16 divisors (see below), whose sum is σ = 81987696. Its totient is φ = 11712480.

The previous prime is 38065609. The next prime is 38065663. The reversal of 38065638 is 83656083.

38065638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38065596 and 38065605.

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, 243933 + ... + 244088.

It is an arithmetic number, because the mean of its divisors is an integer number (5124231).

Almost surely, 2^38065638 is an apocalyptic number.

38065638 is an abundant number, since it is smaller than the sum of its proper divisors (43922058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38065638 is a wasteful number, since it uses less digits than its factorization.

38065638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488039.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 38065638 is about 6169.7356507390. The cubic root of 38065638 is about 336.3910024396.

The spelling of 38065638 in words is "thirty-eight million, sixty-five thousand, six hundred thirty-eight".