3961693606 has 24 divisors (see below), whose sum is σ = 6438834504. Its totient is φ = 1827334080.

The previous prime is 3961693573. The next prime is 3961693613. The reversal of 3961693606 is 6063961693.

It is a self number, because there is not a number n which added to its sum of digits gives 3961693606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800961 + ... + 805891.

It is an arithmetic number, because the mean of its divisors is an integer number (268284771).

Almost surely, 2^3961693606 is an apocalyptic number.

3961693606 is a deficient number, since it is larger than the sum of its proper divisors (2477140898).

3961693606 is a wasteful number, since it uses less digits than its factorization.

3961693606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336 (or 7323 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 49.

The square root of 3961693606 is about 62941.9860347606. The cubic root of 3961693606 is about 1582.3174886744.

The spelling of 3961693606 in words is "three billion, nine hundred sixty-one million, six hundred ninety-three thousand, six hundred six".