27984699 has 6 divisors (see below), whose sum is σ = 40422356. Its totient is φ = 18656460.

The previous prime is 27984667. The next prime is 27984707. The reversal of 27984699 is 99648972.

It is not a de Polignac number, because 27984699 - 2⁵ = 27984667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27984659) 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 5 ways as a sum of consecutive naturals, for example, 1554697 + ... + 1554714.

Almost surely, 2^27984699 is an apocalyptic number.

27984699 is a deficient number, since it is larger than the sum of its proper divisors (12437657).

27984699 is a wasteful number, since it uses less digits than its factorization.

27984699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109417 (or 3109414 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 27984699 is about 5290.0566159541. The cubic root of 27984699 is about 303.6035741949.

The spelling of 27984699 in words is "twenty-seven million, nine hundred eighty-four thousand, six hundred ninety-nine".