4211801984 has 64 divisors (see below), whose sum is σ = 9050178480. Its totient is φ = 1940889600.

The previous prime is 4211801947. The next prime is 4211801987. The reversal of 4211801984 is 4891081124.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4211801987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347944 + ... + 1351064.

Almost surely, 2^4211801984 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 4211801984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4525089240).

4211801984 is an abundant number, since it is smaller than the sum of its proper divisors (4838376496).

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

4211801984 is a wasteful number, since it uses less digits than its factorization.

4211801984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 4211801984 is about 64898.3973916151. The cubic root of 4211801984 is about 1614.9384754844.

The spelling of 4211801984 in words is "four billion, two hundred eleven million, eight hundred one thousand, nine hundred eighty-four".