2840284 has 24 divisors (see below), whose sum is σ = 5146848. Its totient is φ = 1370880.

The previous prime is 2840281. The next prime is 2840303. The reversal of 2840284 is 4820482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20664 + ... + 20800.

It is an arithmetic number, because the mean of its divisors is an integer number (214452).

2^2840284 is an apocalyptic number.

It is an amenable number.

2840284 is a deficient number, since it is larger than the sum of its proper divisors (2306564).

2840284 is a wasteful number, since it uses less digits than its factorization.

2840284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2840284 is about 1685.3142140266. The cubic root of 2840284 is about 141.6186953302.

The spelling of 2840284 in words is "two million, eight hundred forty thousand, two hundred eighty-four".