3906190664 has 8 divisors (see below), whose sum is σ = 7324107510. Its totient is φ = 1953095328.

The previous prime is 3906190637. The next prime is 3906190697. The reversal of 3906190664 is 4660916093.

It can be written as a sum of positive squares in only one way, i.e., 2793968164 + 1112222500 = 52858^2 + 33350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 244136909 + ... + 244136924.

Almost surely, 2^3906190664 is an apocalyptic number.

It is an amenable number.

3906190664 is a deficient number, since it is larger than the sum of its proper divisors (3417916846).

3906190664 is a wasteful number, since it uses less digits than its factorization.

3906190664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488273839 (or 488273835 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 3906190664 is about 62499.5253101974. The cubic root of 3906190664 is about 1574.8933380695.

The spelling of 3906190664 in words is "three billion, nine hundred six million, one hundred ninety thousand, six hundred sixty-four".