27986001 has 8 divisors (see below), whose sum is σ = 37947360. Its totient is φ = 18340992.

The previous prime is 27985981. The next prime is 27986003. The reversal of 27986001 is 10068972.

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

It is not a de Polignac number, because 27986001 - 2⁷ = 27985873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27986003) 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, 78880 + ... + 79233.

It is an arithmetic number, because the mean of its divisors is an integer number (4743420).

Almost surely, 2^27986001 is an apocalyptic number.

It is an amenable number.

27986001 is a deficient number, since it is larger than the sum of its proper divisors (9961359).

27986001 is a wasteful number, since it uses less digits than its factorization.

27986001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158175.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 27986001 is about 5290.1796755876. The cubic root of 27986001 is about 303.6082825502.

The spelling of 27986001 in words is "twenty-seven million, nine hundred eighty-six thousand, one".