3895673841 has 6 divisors (see below), whose sum is σ = 5627084450. Its totient is φ = 2597115888.

The previous prime is 3895673801. The next prime is 3895673857. The reversal of 3895673841 is 1483765983.

3895673841 is a `hidden beast` number, since 3 + 8 + 9 + 567 + 38 + 41 = 666.

3895673841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3895632225 + 41616 = 62415^2 + 204^2 .

It is not a de Polignac number, because 3895673841 - 2⁷ = 3895673713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3895673801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216426316 + ... + 216426333.

Almost surely, 2^3895673841 is an apocalyptic number.

It is an amenable number.

3895673841 is a deficient number, since it is larger than the sum of its proper divisors (1731410609).

3895673841 is a wasteful number, since it uses less digits than its factorization.

3895673841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432852655 (or 432852652 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 3895673841 is about 62415.3333805084. Note that the first 4 decimals coincide. The cubic root of 3895673841 is about 1573.4786809677.

The spelling of 3895673841 in words is "three billion, eight hundred ninety-five million, six hundred seventy-three thousand, eight hundred forty-one".