27984113 has 4 divisors (see below), whose sum is σ = 28458480. Its totient is φ = 27509748.

The previous prime is 27984097. The next prime is 27984127. The reversal of 27984113 is 31148972.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27984113 - 2⁴ = 27984097 is a prime.

It is a super-2 number, since 2×27984113² = 1566221160793538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27984163) 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, 237095 + ... + 237212.

It is an arithmetic number, because the mean of its divisors is an integer number (7114620).

Almost surely, 2^27984113 is an apocalyptic number.

It is an amenable number.

27984113 is a deficient number, since it is larger than the sum of its proper divisors (474367).

27984113 is an equidigital number, since it uses as much as digits as its factorization.

27984113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474366.

The product of its digits is 12096, while the sum is 35.

The square root of 27984113 is about 5290.0012287333. The cubic root of 27984113 is about 303.6014550257.

The spelling of 27984113 in words is "twenty-seven million, nine hundred eighty-four thousand, one hundred thirteen".