27398047 has 2 divisors, whose sum is σ = 27398048. Its totient is φ = 27398046.

The previous prime is 27398029. The next prime is 27398071. The reversal of 27398047 is 74089372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27398047 - 2¹¹ = 27395999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27398447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13699023 + 13699024.

It is an arithmetic number, because the mean of its divisors is an integer number (13699024).

Almost surely, 2^27398047 is an apocalyptic number.

27398047 is a deficient number, since it is larger than the sum of its proper divisors (1).

27398047 is an equidigital number, since it uses as much as digits as its factorization.

27398047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 27398047 is about 5234.3143772609. The cubic root of 27398047 is about 301.4670622152.

The spelling of 27398047 in words is "twenty-seven million, three hundred ninety-eight thousand, forty-seven".