27848989 has 8 divisors (see below), whose sum is σ = 32264000. Its totient is φ = 23543136.

The previous prime is 27848983. The next prime is 27849007. The reversal of 27848989 is 98984872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27848989 - 2³ = 27848981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27848981) 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, 26739 + ... + 27760.

It is an arithmetic number, because the mean of its divisors is an integer number (4033000).

Almost surely, 2^27848989 is an apocalyptic number.

It is an amenable number.

27848989 is a deficient number, since it is larger than the sum of its proper divisors (4415011).

27848989 is an equidigital number, since it uses as much as digits as its factorization.

27848989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54579.

The product of its digits is 2322432, while the sum is 55.

The square root of 27848989 is about 5277.2141324756. The cubic root of 27848989 is about 303.1120100573.

The spelling of 27848989 in words is "twenty-seven million, eight hundred forty-eight thousand, nine hundred eighty-nine".