27286641 has 12 divisors (see below), whose sum is σ = 41488720. Its totient is φ = 17233560.

The previous prime is 27286627. The next prime is 27286643. The reversal of 27286641 is 14668272.

27286641 is a `hidden beast` number, since 2 + 7 + 2 + 8 + 6 + 641 = 666.

It is not a de Polignac number, because 27286641 - 2¹⁸ = 27024497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27286596 and 27286605.

It is not an unprimeable number, because it can be changed into a prime (27286643) 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 11 ways as a sum of consecutive naturals, for example, 79615 + ... + 79956.

Almost surely, 2^27286641 is an apocalyptic number.

It is an amenable number.

27286641 is a deficient number, since it is larger than the sum of its proper divisors (14202079).

27286641 is a wasteful number, since it uses less digits than its factorization.

27286641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159596 (or 159593 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 27286641 is about 5223.6616467761. The cubic root of 27286641 is about 301.0578984512.

The spelling of 27286641 in words is "twenty-seven million, two hundred eighty-six thousand, six hundred forty-one".