3889223520 has 384 divisors, whose sum is σ = 15179996160. Its totient is φ = 815063040.

The previous prime is 3889223519. The next prime is 3889223531. The reversal of 3889223520 is 253229883.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 11749755 + ... + 11750085.

It is an arithmetic number, because the mean of its divisors is an integer number (39531240).

Almost surely, 2^3889223520 is an apocalyptic number.

3889223520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3889223520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7589998080).

3889223520 is an abundant number, since it is smaller than the sum of its proper divisors (11290772640).

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

3889223520 is a wasteful number, since it uses less digits than its factorization.

3889223520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 3889223520 is about 62363.6394063079. The cubic root of 3889223520 is about 1572.6097641598.

The spelling of 3889223520 in words is "three billion, eight hundred eighty-nine million, two hundred twenty-three thousand, five hundred twenty".