3854905895 has 16 divisors (see below), whose sum is σ = 4756268160. Its totient is φ = 2997561600.

The previous prime is 3854905891. The next prime is 3854905909. The reversal of 3854905895 is 5985094583.

3854905895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3854905895 - 2² = 3854905891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3854905895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854905891) 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, 20861 + ... + 90249.

It is an arithmetic number, because the mean of its divisors is an integer number (297266760).

Almost surely, 2^3854905895 is an apocalyptic number.

3854905895 is a deficient number, since it is larger than the sum of its proper divisors (901362265).

3854905895 is a wasteful number, since it uses less digits than its factorization.

3854905895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69706.

The product of its (nonzero) digits is 7776000, while the sum is 56.

The square root of 3854905895 is about 62087.8884727126. Note that the first 3 decimals coincide. The cubic root of 3854905895 is about 1567.9706419723.

The spelling of 3854905895 in words is "three billion, eight hundred fifty-four million, nine hundred five thousand, eight hundred ninety-five".