3948761385 has 24 divisors (see below), whose sum is σ = 6852104064. Its totient is φ = 2103672480.

The previous prime is 3948761357. The next prime is 3948761389. The reversal of 3948761385 is 5831678493.

3948761385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3948761385 - 2¹⁵ = 3948728617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3948761389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7167 + ... + 89156.

It is an arithmetic number, because the mean of its divisors is an integer number (285504336).

Almost surely, 2^3948761385 is an apocalyptic number.

It is an amenable number.

3948761385 is a deficient number, since it is larger than the sum of its proper divisors (2903342679).

3948761385 is a wasteful number, since it uses less digits than its factorization.

3948761385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97245 (or 97242 counting only the distinct ones).

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

The square root of 3948761385 is about 62839.1707854265. The cubic root of 3948761385 is about 1580.5938835928.

The spelling of 3948761385 in words is "three billion, nine hundred forty-eight million, seven hundred sixty-one thousand, three hundred eighty-five".