3920621922 has 96 divisors (see below), whose sum is σ = 9957467520. Its totient is φ = 1091543040.

The previous prime is 3920621909. The next prime is 3920621927. The reversal of 3920621922 is 2291260293.

3920621922 is a `hidden beast` number, since 3 + 9 + 2 + 0 + 621 + 9 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (3920621927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4165972 + ... + 4166912.

It is an arithmetic number, because the mean of its divisors is an integer number (103723620).

Almost surely, 2^3920621922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3920621922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4978733760).

3920621922 is an abundant number, since it is smaller than the sum of its proper divisors (6036845598).

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

3920621922 is a wasteful number, since it uses less digits than its factorization.

3920621922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3920621922 is about 62614.8698154041. The cubic root of 3920621922 is about 1576.8304137276.

The spelling of 3920621922 in words is "three billion, nine hundred twenty million, six hundred twenty-one thousand, nine hundred twenty-two".