27794393 has 4 divisors (see below), whose sum is σ = 30321168. Its totient is φ = 25267620.

The previous prime is 27794387. The next prime is 27794411. The reversal of 27794393 is 39349772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27794393 - 2⁶ = 27794329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27794593) 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 3 ways as a sum of consecutive naturals, for example, 1263371 + ... + 1263392.

It is an arithmetic number, because the mean of its divisors is an integer number (7580292).

Almost surely, 2^27794393 is an apocalyptic number.

It is an amenable number.

27794393 is a deficient number, since it is larger than the sum of its proper divisors (2526775).

27794393 is a wasteful number, since it uses less digits than its factorization.

27794393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526774.

The product of its digits is 285768, while the sum is 44.

The square root of 27794393 is about 5272.0387896904. The cubic root of 27794393 is about 302.9138038281.

The spelling of 27794393 in words is "twenty-seven million, seven hundred ninety-four thousand, three hundred ninety-three".