14439984 has 80 divisors (see below), whose sum is σ = 40851552. Its totient is φ = 4368384.

The previous prime is 14439973. The next prime is 14440001. The reversal of 14439984 is 48993441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45394 + ... + 45710.

Almost surely, 2^14439984 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 14439984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20425776).

14439984 is an abundant number, since it is smaller than the sum of its proper divisors (26411568).

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

14439984 is a wasteful number, since it uses less digits than its factorization.

14439984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 408 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 14439984 is about 3799.9978947363. The cubic root of 14439984 is about 243.5130483642.

The spelling of 14439984 in words is "fourteen million, four hundred thirty-nine thousand, nine hundred eighty-four".