27298393 has 2 divisors, whose sum is σ = 27298394. Its totient is φ = 27298392.

The previous prime is 27298387. The next prime is 27298409. The reversal of 27298393 is 39389272.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21187609 + 6110784 = 4603^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 27298393 - 2⁵ = 27298361 is a prime.

It is not a weakly prime, because it can be changed into another prime (27298303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13649196 + 13649197.

It is an arithmetic number, because the mean of its divisors is an integer number (13649197).

Almost surely, 2^27298393 is an apocalyptic number.

It is an amenable number.

27298393 is a deficient number, since it is larger than the sum of its proper divisors (1).

27298393 is an equidigital number, since it uses as much as digits as its factorization.

27298393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 27298393 is about 5224.7864071175. The cubic root of 27298393 is about 301.1011128165.

The spelling of 27298393 in words is "twenty-seven million, two hundred ninety-eight thousand, three hundred ninety-three".