3960660693 has 16 divisors (see below), whose sum is σ = 5808578112. Its totient is φ = 2400398000.

The previous prime is 3960660673. The next prime is 3960660707.

3960660693 is nontrivially palindromic in base 10.

3960660693 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3960660693 - 2¹² = 3960656597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960660623) 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, 491958 + ... + 499943.

It is an arithmetic number, because the mean of its divisors is an integer number (363036132).

Almost surely, 2^3960660693 is an apocalyptic number.

3960660693 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3960660693 is a deficient number, since it is larger than the sum of its proper divisors (1847917419).

3960660693 is an equidigital number, since it uses as much as digits as its factorization.

3960660693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991937 (or 991915 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 48.

The square root of 3960660693 is about 62933.7802217537. The cubic root of 3960660693 is about 1582.1799600877.

The spelling of 3960660693 in words is "three billion, nine hundred sixty million, six hundred sixty thousand, six hundred ninety-three".