27089393 has 4 divisors (see below), whose sum is σ = 28023540. Its totient is φ = 26155248.

The previous prime is 27089389. The next prime is 27089399. The reversal of 27089393 is 39398072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22733824 + 4355569 = 4768^2 + 2087^2 .

It is a cyclic number.

It is not a de Polignac number, because 27089393 - 2² = 27089389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27089393.

It is not an unprimeable number, because it can be changed into a prime (27089399) 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, 467030 + ... + 467087.

It is an arithmetic number, because the mean of its divisors is an integer number (7005885).

Almost surely, 2^27089393 is an apocalyptic number.

It is an amenable number.

27089393 is a deficient number, since it is larger than the sum of its proper divisors (934147).

27089393 is an equidigital number, since it uses as much as digits as its factorization.

27089393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934146.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 27089393 is about 5204.7471600453. The cubic root of 27089393 is about 300.3307204645.

The spelling of 27089393 in words is "twenty-seven million, eighty-nine thousand, three hundred ninety-three".