27840284 has 12 divisors (see below), whose sum is σ = 48758808. Its totient is φ = 13909200.

The previous prime is 27840257. The next prime is 27840287. The reversal of 27840284 is 48204872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27840287) 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 3 ways as a sum of consecutive naturals, for example, 6314 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (4063234).

Almost surely, 2^27840284 is an apocalyptic number.

It is an amenable number.

27840284 is a deficient number, since it is larger than the sum of its proper divisors (20918524).

27840284 is a wasteful number, since it uses less digits than its factorization.

27840284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476 (or 5474 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 27840284 is about 5276.3892957211. The cubic root of 27840284 is about 303.0804246496.

The spelling of 27840284 in words is "twenty-seven million, eight hundred forty thousand, two hundred eighty-four".