3889976720 has 320 divisors, whose sum is σ = 11570688000. Its totient is φ = 1210245120.

The previous prime is 3889976693. The next prime is 3889976743. The reversal of 3889976720 is 276799883.

It is a self number, because there is not a number n which added to its sum of digits gives 3889976720.

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 in 63 ways as a sum of consecutive naturals, for example, 14460746 + ... + 14461014.

It is an arithmetic number, because the mean of its divisors is an integer number (36158400).

Almost surely, 2^3889976720 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 3889976720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5785344000).

3889976720 is an abundant number, since it is smaller than the sum of its proper divisors (7680711280).

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

3889976720 is a wasteful number, since it uses less digits than its factorization.

3889976720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 59.

The square root of 3889976720 is about 62369.6778891795. The cubic root of 3889976720 is about 1572.7112765579.

The spelling of 3889976720 in words is "three billion, eight hundred eighty-nine million, nine hundred seventy-six thousand, seven hundred twenty".