2389616928 has 144 divisors (see below), whose sum is σ = 7271409600. Its totient is φ = 742141440.

The previous prime is 2389616923. The next prime is 2389616953. The reversal of 2389616928 is 8296169832.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2389616921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330213 + ... + 337371.

It is an arithmetic number, because the mean of its divisors is an integer number (50495900).

Almost surely, 2^2389616928 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 2389616928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3635704800).

2389616928 is an abundant number, since it is smaller than the sum of its proper divisors (4881792672).

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

2389616928 is a wasteful number, since it uses less digits than its factorization.

2389616928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255 (or 7244 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 2389616928 is about 48883.7082063135. The cubic root of 2389616928 is about 1336.9323395140.

The spelling of 2389616928 in words is "two billion, three hundred eighty-nine million, six hundred sixteen thousand, nine hundred twenty-eight".