27968594 has 4 divisors (see below), whose sum is σ = 41952894. Its totient is φ = 13984296.

The previous prime is 27968581. The next prime is 27968599. The reversal of 27968594 is 49586972.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21743569 + 6225025 = 4663^2 + 2495^2 .

It is not an unprimeable number, because it can be changed into a prime (27968599) 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 as a sum of consecutive naturals, namely, 6992147 + ... + 6992150.

Almost surely, 2^27968594 is an apocalyptic number.

27968594 is a deficient number, since it is larger than the sum of its proper divisors (13984300).

27968594 is a wasteful number, since it uses less digits than its factorization.

27968594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13984299.

The product of its digits is 1088640, while the sum is 50.

The square root of 27968594 is about 5288.5342014589. The cubic root of 27968594 is about 303.5453224359.

The spelling of 27968594 in words is "twenty-seven million, nine hundred sixty-eight thousand, five hundred ninety-four".