4487839890 has 64 divisors (see below), whose sum is σ = 11104701696. Its totient is φ = 1159909632.

The previous prime is 4487839823. The next prime is 4487839891. The reversal of 4487839890 is 989387844.

It is not an unprimeable number, because it can be changed into a prime (4487839891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284244 + ... + 299616.

It is an arithmetic number, because the mean of its divisors is an integer number (173510964).

Almost surely, 2^4487839890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4487839890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5552350848).

4487839890 is an abundant number, since it is smaller than the sum of its proper divisors (6616861806).

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

4487839890 is a wasteful number, since it uses less digits than its factorization.

4487839890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15683.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The square root of 4487839890 is about 66991.3419032639. The cubic root of 4487839890 is about 1649.4751792755.

The spelling of 4487839890 in words is "four billion, four hundred eighty-seven million, eight hundred thirty-nine thousand, eight hundred ninety".