3957685714 has 12 divisors (see below), whose sum is σ = 6286318794. Its totient is φ = 1862267712.

The previous prime is 3957685703. The next prime is 3957685717. The reversal of 3957685714 is 4175867593.

It can be written as a sum of positive squares in 3 ways, for example, as 3629460025 + 328225689 = 60245^2 + 18117^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957685717) 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, 361432 + ... + 372220.

Almost surely, 2^3957685714 is an apocalyptic number.

3957685714 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3957685714 is a deficient number, since it is larger than the sum of its proper divisors (2328633080).

3957685714 is an frugal number, since it uses more digits than its factorization.

3957685714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21597 (or 10808 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The square root of 3957685714 is about 62910.1399934859. The cubic root of 3957685714 is about 1581.7837188605.

The spelling of 3957685714 in words is "three billion, nine hundred fifty-seven million, six hundred eighty-five thousand, seven hundred fourteen".