4989984 has 48 divisors (see below), whose sum is σ = 13335840. Its totient is φ = 1633280.

The previous prime is 4989979. The next prime is 4989991. The reversal of 4989984 is 4899894.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5224 + ... + 6104.

It is an arithmetic number, because the mean of its divisors is an integer number (277830).

Almost surely, 2^4989984 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 4989984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6667920).

4989984 is an abundant number, since it is smaller than the sum of its proper divisors (8345856).

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

4989984 is a wasteful number, since it uses less digits than its factorization.

4989984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 945 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 4989984 is about 2233.8272090741. The cubic root of 4989984 is about 170.8833375465.

The spelling of 4989984 in words is "four million, nine hundred eighty-nine thousand, nine hundred eighty-four".