27894313 has 4 divisors (see below), whose sum is σ = 27907780. Its totient is φ = 27880848.

The previous prime is 27894287. The next prime is 27894319. The reversal of 27894313 is 31349872.

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 9162729 + 18731584 = 3027^2 + 4328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27894313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27894319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2898 + ... + 8011.

It is an arithmetic number, because the mean of its divisors is an integer number (6976945).

Almost surely, 2^27894313 is an apocalyptic number.

It is an amenable number.

27894313 is a deficient number, since it is larger than the sum of its proper divisors (13467).

27894313 is a wasteful number, since it uses less digits than its factorization.

27894313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13466.

The product of its digits is 36288, while the sum is 37.

The square root of 27894313 is about 5281.5066979035. The cubic root of 27894313 is about 303.2763583635.

The spelling of 27894313 in words is "twenty-seven million, eight hundred ninety-four thousand, three hundred thirteen".