27038689 has 8 divisors (see below), whose sum is σ = 27580392. Its totient is φ = 26501760.

The previous prime is 27038659. The next prime is 27038699. The reversal of 27038689 is 98683072.

27038689 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 17918289 + 9120400 = 4233^2 + 3020^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27038689 - 2⁵ = 27038657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27038629) 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 7 ways as a sum of consecutive naturals, for example, 11559 + ... + 13699.

It is an arithmetic number, because the mean of its divisors is an integer number (3447549).

Almost surely, 2^27038689 is an apocalyptic number.

It is an amenable number.

27038689 is a deficient number, since it is larger than the sum of its proper divisors (541703).

27038689 is a wasteful number, since it uses less digits than its factorization.

27038689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 27038689 is about 5199.8739407797. The cubic root of 27038689 is about 300.1432242045.

The spelling of 27038689 in words is "twenty-seven million, thirty-eight thousand, six hundred eighty-nine".