3920246064 has 120 divisors (see below), whose sum is σ = 12609192960. Its totient is φ = 1113761664.

The previous prime is 3920246027. The next prime is 3920246137. The reversal of 3920246064 is 4606420293.

3920246064 is a `hidden beast` number, since 3 + 9 + 20 + 24 + 606 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169569 + ... + 191295.

It is an arithmetic number, because the mean of its divisors is an integer number (105076608).

Almost surely, 2^3920246064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3920246064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6304596480).

3920246064 is an abundant number, since it is smaller than the sum of its proper divisors (8688946896).

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

3920246064 is a wasteful number, since it uses less digits than its factorization.

3920246064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21927 (or 21918 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 3920246064 is about 62611.8683956964. The cubic root of 3920246064 is about 1576.7800234853.

The spelling of 3920246064 in words is "three billion, nine hundred twenty million, two hundred forty-six thousand, sixty-four".