27286434 has 36 divisors (see below), whose sum is σ = 68775174. Its totient is φ = 7795872.

The previous prime is 27286433. The next prime is 27286447. The reversal of 27286434 is 43468272.

27286434 is a `hidden beast` number, since 2 + 7 + 2 + 8 + 643 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26471025 + 815409 = 5145^2 + 903^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (27286433) 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 17 ways as a sum of consecutive naturals, for example, 14587 + ... + 16350.

Almost surely, 2^27286434 is an apocalyptic number.

27286434 is an abundant number, since it is smaller than the sum of its proper divisors (41488740).

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

27286434 is a wasteful number, since it uses less digits than its factorization.

27286434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30959 (or 30949 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 27286434 is about 5223.6418330510. The cubic root of 27286434 is about 301.0571371612.

The spelling of 27286434 in words is "twenty-seven million, two hundred eighty-six thousand, four hundred thirty-four".