27986034 has 32 divisors (see below), whose sum is σ = 58164480. Its totient is φ = 8970192.

The previous prime is 27986033. The next prime is 27986041. The reversal of 27986034 is 43068972.

It is a junction number, because it is equal to n+sod(n) for n = 27985983 and 27986001.

It is not an unprimeable number, because it can be changed into a prime (27986033) 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 15 ways as a sum of consecutive naturals, for example, 16477 + ... + 18095.

It is an arithmetic number, because the mean of its divisors is an integer number (1817640).

Almost surely, 2^27986034 is an apocalyptic number.

27986034 is an abundant number, since it is smaller than the sum of its proper divisors (30178446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27986034 is a wasteful number, since it uses less digits than its factorization.

27986034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 27986034 is about 5290.1827945734. The cubic root of 27986034 is about 303.6084018845.

The spelling of 27986034 in words is "twenty-seven million, nine hundred eighty-six thousand, thirty-four".