3886091938 has 16 divisors (see below), whose sum is σ = 5859223776. Its totient is φ = 1933036000.

The previous prime is 3886091899. The next prime is 3886091939. The reversal of 3886091938 is 8391906883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3886091939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474345 + ... + 482467.

It is an arithmetic number, because the mean of its divisors is an integer number (366201486).

Almost surely, 2^3886091938 is an apocalyptic number.

3886091938 is a deficient number, since it is larger than the sum of its proper divisors (1973131838).

3886091938 is a wasteful number, since it uses less digits than its factorization.

3886091938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9329.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 3886091938 is about 62338.5269155440. The cubic root of 3886091938 is about 1572.1875651619.

The spelling of 3886091938 in words is "three billion, eight hundred eighty-six million, ninety-one thousand, nine hundred thirty-eight".