27986041 has 2 divisors, whose sum is σ = 27986042. Its totient is φ = 27986040.

The previous prime is 27986033. The next prime is 27986047. The reversal of 27986041 is 14068972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19105641 + 8880400 = 4371^2 + 2980^2 .

It is a cyclic number.

It is not a de Polignac number, because 27986041 - 2³ = 27986033 is a prime.

It is not a weakly prime, because it can be changed into another prime (27986047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13993020 + 13993021.

It is an arithmetic number, because the mean of its divisors is an integer number (13993021).

Almost surely, 2^27986041 is an apocalyptic number.

It is an amenable number.

27986041 is a deficient number, since it is larger than the sum of its proper divisors (1).

27986041 is an equidigital number, since it uses as much as digits as its factorization.

27986041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27986041 is about 5290.1834561762. The cubic root of 27986041 is about 303.6084271979.

It can be divided in two parts, 279 and 86041, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 27986041 in words is "twenty-seven million, nine hundred eighty-six thousand, forty-one".