198806027 has 4 divisors (see below), whose sum is σ = 227206896. Its totient is φ = 170405160.

The previous prime is 198806017. The next prime is 198806029. The reversal of 198806027 is 720608891.

198806027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720608891 = 71 ⋅10149421.

It is a cyclic number.

It is not a de Polignac number, because 198806027 - 2⁶ = 198805963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198806029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14200424 + ... + 14200437.

It is an arithmetic number, because the mean of its divisors is an integer number (56801724).

Almost surely, 2^198806027 is an apocalyptic number.

198806027 is a deficient number, since it is larger than the sum of its proper divisors (28400869).

198806027 is an equidigital number, since it uses as much as digits as its factorization.

198806027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28400868.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 198806027 is about 14099.8591127713. The cubic root of 198806027 is about 583.6374914119.

The spelling of 198806027 in words is "one hundred ninety-eight million, eight hundred six thousand, twenty-seven".