27992093 has 2 divisors, whose sum is σ = 27992094. Its totient is φ = 27992092.

The previous prime is 27992087. The next prime is 27992099. The reversal of 27992093 is 39029972.

It is a balanced prime because it is at equal distance from previous prime (27992087) and next prime (27992099).

It can be written as a sum of positive squares in only one way, i.e., 19909444 + 8082649 = 4462^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 27992093 - 2⁴ = 27992077 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27992093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27992099) 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, 13996046 + 13996047.

It is an arithmetic number, because the mean of its divisors is an integer number (13996047).

Almost surely, 2^27992093 is an apocalyptic number.

It is an amenable number.

27992093 is a deficient number, since it is larger than the sum of its proper divisors (1).

27992093 is an equidigital number, since it uses as much as digits as its factorization.

27992093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 27992093 is about 5290.7554281029. The cubic root of 27992093 is about 303.6303107953.

The spelling of 27992093 in words is "twenty-seven million, nine hundred ninety-two thousand, ninety-three".