3886275638 has 32 divisors (see below), whose sum is σ = 7055645184. Its totient is φ = 1569344832.

The previous prime is 3886275607. The next prime is 3886275647. The reversal of 3886275638 is 8365726883.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68495 + ... + 111642.

It is an arithmetic number, because the mean of its divisors is an integer number (220488912).

Almost surely, 2^3886275638 is an apocalyptic number.

3886275638 is a deficient number, since it is larger than the sum of its proper divisors (3169369546).

3886275638 is a wasteful number, since it uses less digits than its factorization.

3886275638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180236.

The product of its digits is 11612160, while the sum is 56.

The square root of 3886275638 is about 62340.0003047802. Note that the first 3 decimals coincide. The cubic root of 3886275638 is about 1572.2123378049.

The spelling of 3886275638 in words is "three billion, eight hundred eighty-six million, two hundred seventy-five thousand, six hundred thirty-eight".