27984119 has 4 divisors (see below), whose sum is σ = 28019520. Its totient is φ = 27948720.

The previous prime is 27984097. The next prime is 27984127. The reversal of 27984119 is 91148972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27984119 - 2⁸ = 27983863 is a prime.

It is a super-2 number, since 2×27984119² = 1566221832412322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27984179) 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, 16487 + ... + 18104.

It is an arithmetic number, because the mean of its divisors is an integer number (7004880).

Almost surely, 2^27984119 is an apocalyptic number.

27984119 is a deficient number, since it is larger than the sum of its proper divisors (35401).

27984119 is an equidigital number, since it uses as much as digits as its factorization.

27984119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35400.

The product of its digits is 36288, while the sum is 41.

The square root of 27984119 is about 5290.0017958409. The cubic root of 27984119 is about 303.6014767238.

The spelling of 27984119 in words is "twenty-seven million, nine hundred eighty-four thousand, one hundred nineteen".