2839984 has 20 divisors (see below), whose sum is σ = 6288784. Its totient is φ = 1217088.

The previous prime is 2839981. The next prime is 2840023. The reversal of 2839984 is 4899382.

It is a happy number.

2839984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2839984.

It is not an unprimeable number, because it can be changed into a prime (2839981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12567 + ... + 12790.

2^2839984 is an apocalyptic number.

It is an amenable number.

2839984 is an abundant number, since it is smaller than the sum of its proper divisors (3448800).

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

2839984 is a wasteful number, since it uses less digits than its factorization.

2839984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25372 (or 25366 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 2839984 is about 1685.2252075020. The cubic root of 2839984 is about 141.6137090795.

The spelling of 2839984 in words is "two million, eight hundred thirty-nine thousand, nine hundred eighty-four".