3906409660 has 24 divisors (see below), whose sum is σ = 8212787856. Its totient is φ = 1560787200.

The previous prime is 3906409613. The next prime is 3906409667. The reversal of 3906409660 is 669046093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906409667) 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 7 ways as a sum of consecutive naturals, for example, 92941 + ... + 128260.

It is an arithmetic number, because the mean of its divisors is an integer number (342199494).

Almost surely, 2^3906409660 is an apocalyptic number.

It is an amenable number.

3906409660 is an abundant number, since it is smaller than the sum of its proper divisors (4306378196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3906409660 is a wasteful number, since it uses less digits than its factorization.

3906409660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222093 (or 222091 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 3906409660 is about 62501.2772669487. The cubic root of 3906409660 is about 1574.9227690357.

The spelling of 3906409660 in words is "three billion, nine hundred six million, four hundred nine thousand, six hundred sixty".