4389928950 has 96 divisors (see below), whose sum is σ = 11906237952. Its totient is φ = 1061584000.

The previous prime is 4389928919. The next prime is 4389928951. The reversal of 4389928950 is 598299834.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389928951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 708064 + ... + 714236.

It is an arithmetic number, because the mean of its divisors is an integer number (124023312).

Almost surely, 2^4389928950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4389928950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5953118976).

4389928950 is an abundant number, since it is smaller than the sum of its proper divisors (7516309002).

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

4389928950 is a wasteful number, since it uses less digits than its factorization.

4389928950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630 (or 6625 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The square root of 4389928950 is about 66256.5389225848. The cubic root of 4389928950 is about 1637.3913701416.

It can be divided in two parts, 4389 and 928950, that added together give a palindrome (933339).

The spelling of 4389928950 in words is "four billion, three hundred eighty-nine million, nine hundred twenty-eight thousand, nine hundred fifty".