3920642966 has 8 divisors (see below), whose sum is σ = 5897816400. Its totient is φ = 1954704168.

The previous prime is 3920642963. The next prime is 3920642987. The reversal of 3920642966 is 6692460293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3920642966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920642963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807786 + ... + 2809181.

It is an arithmetic number, because the mean of its divisors is an integer number (737227050).

Almost surely, 2^3920642966 is an apocalyptic number.

3920642966 is a deficient number, since it is larger than the sum of its proper divisors (1977173434).

3920642966 is a wasteful number, since it uses less digits than its factorization.

3920642966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617318.

The product of its (nonzero) digits is 839808, while the sum is 47.

The square root of 3920642966 is about 62615.0378583292. The cubic root of 3920642966 is about 1576.8332349433.

The spelling of 3920642966 in words is "three billion, nine hundred twenty million, six hundred forty-two thousand, nine hundred sixty-six".