3858861601 has 16 divisors (see below), whose sum is σ = 4676146560. Its totient is φ = 3110624640.

The previous prime is 3858861529. The next prime is 3858861613. The reversal of 3858861601 is 1061688583.

3858861601 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 3858861601 - 2¹⁷ = 3858730529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3858861661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87670 + ... + 124111.

It is an arithmetic number, because the mean of its divisors is an integer number (292259160).

Almost surely, 2^3858861601 is an apocalyptic number.

It is an amenable number.

3858861601 is a deficient number, since it is larger than the sum of its proper divisors (817284959).

3858861601 is a wasteful number, since it uses less digits than its factorization.

3858861601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211944.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 3858861601 is about 62119.7360023366. The cubic root of 3858861601 is about 1568.5067822150.

The spelling of 3858861601 in words is "three billion, eight hundred fifty-eight million, eight hundred sixty-one thousand, six hundred one".