27816093 has 12 divisors (see below), whose sum is σ = 40228188. Its totient is φ = 18521280.

The previous prime is 27816091. The next prime is 27816109. The reversal of 27816093 is 39061872.

It can be written as a sum of positive squares in 2 ways, for example, as 26440164 + 1375929 = 5142^2 + 1173^2 .

It is not a de Polignac number, because 27816093 - 2¹ = 27816091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27816091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9321 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (3352349).

Almost surely, 2^27816093 is an apocalyptic number.

It is an amenable number.

27816093 is a deficient number, since it is larger than the sum of its proper divisors (12412095).

27816093 is a wasteful number, since it uses less digits than its factorization.

27816093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 27816093 is about 5274.0964155010. The cubic root of 27816093 is about 302.9926149231.

The spelling of 27816093 in words is "twenty-seven million, eight hundred sixteen thousand, ninety-three".