3960407684 has 12 divisors (see below), whose sum is σ = 6933159324. Its totient is φ = 1979505024.

The previous prime is 3960407653. The next prime is 3960407687. The reversal of 3960407684 is 4867040693.

It can be written as a sum of positive squares in 2 ways, for example, as 2695894084 + 1264513600 = 51922^2 + 35560^2 .

It is not an unprimeable number, because it can be changed into a prime (3960407687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161849 + ... + 184704.

It is an arithmetic number, because the mean of its divisors is an integer number (577763277).

Almost surely, 2^3960407684 is an apocalyptic number.

It is an amenable number.

3960407684 is a deficient number, since it is larger than the sum of its proper divisors (2972751640).

3960407684 is a wasteful number, since it uses less digits than its factorization.

3960407684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349414 (or 349412 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 3960407684 is about 62931.7700688611. The cubic root of 3960407684 is about 1582.1462692194.

The spelling of 3960407684 in words is "three billion, nine hundred sixty million, four hundred seven thousand, six hundred eighty-four".