2399984 has 20 divisors (see below), whose sum is σ = 4728120. Its totient is φ = 1179840.

The previous prime is 2399983. The next prime is 2399993. The reversal of 2399984 is 4899932.

2399984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2 + 3¹¹ + 9⁴ + 9⁵ + 9⁵ + 8⁷ + 4⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399983) 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, 254 + ... + 2205.

It is an arithmetic number, because the mean of its divisors is an integer number (236406).

2^2399984 is an apocalyptic number.

It is an amenable number.

2399984 is a deficient number, since it is larger than the sum of its proper divisors (2328136).

2399984 is a wasteful number, since it uses less digits than its factorization.

2399984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2522 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 2399984 is about 1549.1881744966. The cubic root of 2399984 is about 133.8862924900.

The spelling of 2399984 in words is "two million, three hundred ninety-nine thousand, nine hundred eighty-four".