3895907085 has 64 divisors (see below), whose sum is σ = 8381145600. Its totient is φ = 1676215296.

The previous prime is 3895907083. The next prime is 3895907137. The reversal of 3895907085 is 5807095983.

3895907085 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 3895907085 - 2¹ = 3895907083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895907083) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105190 + ... + 137319.

It is an arithmetic number, because the mean of its divisors is an integer number (130955400).

Almost surely, 2^3895907085 is an apocalyptic number.

3895907085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3895907085 is an abundant number, since it is smaller than the sum of its proper divisors (4485238515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3895907085 is a wasteful number, since it uses less digits than its factorization.

3895907085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242547 (or 242541 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The square root of 3895907085 is about 62417.2018357119. The cubic root of 3895907085 is about 1573.5100830778.

The spelling of 3895907085 in words is "three billion, eight hundred ninety-five million, nine hundred seven thousand, eighty-five".