2859984 has 30 divisors (see below), whose sum is σ = 8004386. Its totient is φ = 953280.

The previous prime is 2859979. The next prime is 2859991. The reversal of 2859984 is 4899582.

2859984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 1272384 = 1260^2 + 1128^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 9787 + ... + 10074.

2^2859984 is an apocalyptic number.

2859984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2859984 is an abundant number, since it is smaller than the sum of its proper divisors (5144402).

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

2859984 is a wasteful number, since it uses less digits than its factorization.

2859984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19875 (or 19866 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 2859984 is about 1691.1487220230. The cubic root of 2859984 is about 141.9453601854.

The spelling of 2859984 in words is "two million, eight hundred fifty-nine thousand, nine hundred eighty-four".