27339289 has 4 divisors (see below), whose sum is σ = 27921024. Its totient is φ = 26757556.

The previous prime is 27339269. The next prime is 27339343. The reversal of 27339289 is 98293372.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27339289 - 2¹³ = 27331097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27339229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290797 + ... + 290890.

It is an arithmetic number, because the mean of its divisors is an integer number (6980256).

Almost surely, 2^27339289 is an apocalyptic number.

It is an amenable number.

27339289 is a deficient number, since it is larger than the sum of its proper divisors (581735).

27339289 is an equidigital number, since it uses as much as digits as its factorization.

27339289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581734.

The product of its digits is 163296, while the sum is 43.

The square root of 27339289 is about 5228.6985952529. The cubic root of 27339289 is about 301.2513986724.

The spelling of 27339289 in words is "twenty-seven million, three hundred thirty-nine thousand, two hundred eighty-nine".