27894893 has 8 divisors (see below), whose sum is σ = 30093336. Its totient is φ = 25704000.

The previous prime is 27894877. The next prime is 27894899. The reversal of 27894893 is 39849872.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11142244 + 16752649 = 3338^2 + 4093^2 .

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 27894893 - 2⁴ = 27894877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27894899) 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, 7583 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (3761667).

Almost surely, 2^27894893 is an apocalyptic number.

It is an amenable number.

27894893 is a deficient number, since it is larger than the sum of its proper divisors (2198443).

27894893 is a wasteful number, since it uses less digits than its factorization.

27894893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775.

The product of its digits is 870912, while the sum is 50.

The square root of 27894893 is about 5281.5616061919. The cubic root of 27894893 is about 303.2784603340.

The spelling of 27894893 in words is "twenty-seven million, eight hundred ninety-four thousand, eight hundred ninety-three".