27214389 has 6 divisors (see below), whose sum is σ = 39309686. Its totient is φ = 18142920.

The previous prime is 27214379. The next prime is 27214391. The reversal of 27214389 is 98341272.

27214389 is a `hidden beast` number, since 272 + 1 + 4 + 389 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13950225 + 13264164 = 3735^2 + 3642^2 .

It is not a de Polignac number, because 27214389 - 2¹³ = 27206197 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27214309) 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 5 ways as a sum of consecutive naturals, for example, 1511902 + ... + 1511919.

Almost surely, 2^27214389 is an apocalyptic number.

It is an amenable number.

27214389 is a deficient number, since it is larger than the sum of its proper divisors (12095297).

27214389 is a wasteful number, since it uses less digits than its factorization.

27214389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023827 (or 3023824 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 27214389 is about 5216.7412241743. The cubic root of 27214389 is about 300.7919409257.

It can be divided in two parts, 27 and 214389, that multiplied together give a triangular number (5788503 = T₃₄₀₂).

The spelling of 27214389 in words is "twenty-seven million, two hundred fourteen thousand, three hundred eighty-nine".