3838857605 has 16 divisors (see below), whose sum is σ = 5059152000. Its totient is φ = 2773152960.

The previous prime is 3838857599. The next prime is 3838857613. The reversal of 3838857605 is 5067588383.

It is not a de Polignac number, because 3838857605 - 2³⁰ = 2765115781 is a prime.

It is a super-2 number, since 2×3838857605² = 29473655422932672050, which contains 22 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 226025 + ... + 242414.

It is an arithmetic number, because the mean of its divisors is an integer number (316197000).

Almost surely, 2^3838857605 is an apocalyptic number.

It is an amenable number.

3838857605 is a deficient number, since it is larger than the sum of its proper divisors (1220294395).

3838857605 is a wasteful number, since it uses less digits than its factorization.

3838857605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468604.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The square root of 3838857605 is about 61958.5151936358. The cubic root of 3838857605 is about 1565.7917519955.

The spelling of 3838857605 in words is "three billion, eight hundred thirty-eight million, eight hundred fifty-seven thousand, six hundred five".