849439027 has 2 divisors, whose sum is σ = 849439028. Its totient is φ = 849439026.

The previous prime is 849439009. The next prime is 849439039. The reversal of 849439027 is 720934948.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 849439027 - 2¹⁹ = 848914739 is a prime.

It is not a weakly prime, because it can be changed into another prime (849439057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424719513 + 424719514.

It is an arithmetic number, because the mean of its divisors is an integer number (424719514).

Almost surely, 2^849439027 is an apocalyptic number.

849439027 is a deficient number, since it is larger than the sum of its proper divisors (1).

849439027 is an equidigital number, since it uses as much as digits as its factorization.

849439027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 849439027 is about 29145.1372787983. The cubic root of 849439027 is about 947.0598023434.

The spelling of 849439027 in words is "eight hundred forty-nine million, four hundred thirty-nine thousand, twenty-seven".