27144286 has 32 divisors (see below), whose sum is σ = 45440640. Its totient is φ = 12082176.

The previous prime is 27144283. The next prime is 27144287. The reversal of 27144286 is 68244172.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27144283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118420 + ... + 118648.

It is an arithmetic number, because the mean of its divisors is an integer number (1420020).

Almost surely, 2^27144286 is an apocalyptic number.

27144286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

27144286 is a deficient number, since it is larger than the sum of its proper divisors (18296354).

27144286 is a wasteful number, since it uses less digits than its factorization.

27144286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its digits is 21504, while the sum is 34.

The square root of 27144286 is about 5210.0178502573. The cubic root of 27144286 is about 300.5334434905.

The spelling of 27144286 in words is "twenty-seven million, one hundred forty-four thousand, two hundred eighty-six".