27948143 has 8 divisors (see below), whose sum is σ = 29031936. Its totient is φ = 26875800.

The previous prime is 27948139. The next prime is 27948161. The reversal of 27948143 is 34184972.

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 27948143 - 2² = 27948139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27948097 and 27948106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27948103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2288 + ... + 7818.

It is an arithmetic number, because the mean of its divisors is an integer number (3628992).

Almost surely, 2^27948143 is an apocalyptic number.

27948143 is a deficient number, since it is larger than the sum of its proper divisors (1083793).

27948143 is a wasteful number, since it uses less digits than its factorization.

27948143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725.

The product of its digits is 48384, while the sum is 38.

The square root of 27948143 is about 5286.6003253509. The cubic root of 27948143 is about 303.4713189652.

The spelling of 27948143 in words is "twenty-seven million, nine hundred forty-eight thousand, one hundred forty-three".