3909349616 has 20 divisors (see below), whose sum is σ = 7598729424. Its totient is φ = 1948387200.

The previous prime is 3909349603. The next prime is 3909349649. The reversal of 3909349616 is 6169439093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387845 + ... + 397796.

Almost surely, 2^3909349616 is an apocalyptic number.

It is an amenable number.

3909349616 is a deficient number, since it is larger than the sum of its proper divisors (3689379808).

3909349616 is a wasteful number, since it uses less digits than its factorization.

3909349616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785960 (or 785954 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 3909349616 is about 62524.7920108496. The cubic root of 3909349616 is about 1575.3177645236.

The spelling of 3909349616 in words is "three billion, nine hundred nine million, three hundred forty-nine thousand, six hundred sixteen".