3880638305 has 16 divisors (see below), whose sum is σ = 4686508800. Its totient is φ = 3084725952.

The previous prime is 3880638287. The next prime is 3880638313. The reversal of 3880638305 is 5038360883.

It is a happy number.

3880638305 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3880638305 - 2²⁸ = 3612202849 is a prime.

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, 880367 + ... + 884763.

It is an arithmetic number, because the mean of its divisors is an integer number (292906800).

Almost surely, 2^3880638305 is an apocalyptic number.

It is an amenable number.

3880638305 is a deficient number, since it is larger than the sum of its proper divisors (805870495).

3880638305 is a wasteful number, since it uses less digits than its factorization.

3880638305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 3880638305 is about 62294.7694834807. The cubic root of 3880638305 is about 1571.4517661334.

The spelling of 3880638305 in words is "three billion, eight hundred eighty million, six hundred thirty-eight thousand, three hundred five".