3932864685 has 40 divisors (see below), whose sum is σ = 7097448600. Its totient is φ = 2083418496.

The previous prime is 3932864681. The next prime is 3932864687. The reversal of 3932864685 is 5864682393.

3932864685 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 4 ways, for example, as 290259369 + 3642605316 = 17037^2 + 60354^2 .

It is not a de Polignac number, because 3932864685 - 2² = 3932864681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3932864681) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27759 + ... + 92931.

It is an arithmetic number, because the mean of its divisors is an integer number (177436215).

Almost surely, 2^3932864685 is an apocalyptic number.

It is an amenable number.

3932864685 is a deficient number, since it is larger than the sum of its proper divisors (3164583915).

3932864685 is a wasteful number, since it uses less digits than its factorization.

3932864685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65339 (or 65330 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 3932864685 is about 62712.5560394408. The cubic root of 3932864685 is about 1578.4700091931.

The spelling of 3932864685 in words is "three billion, nine hundred thirty-two million, eight hundred sixty-four thousand, six hundred eighty-five".