198806029 has 2 divisors, whose sum is σ = 198806030. Its totient is φ = 198806028.

The previous prime is 198806017. The next prime is 198806033. The reversal of 198806029 is 920608891.

It is a happy number.

198806029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141015625 + 57790404 = 11875^2 + 7602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198806029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198806009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99403014 + 99403015.

It is an arithmetic number, because the mean of its divisors is an integer number (99403015).

Almost surely, 2^198806029 is an apocalyptic number.

It is an amenable number.

198806029 is a deficient number, since it is larger than the sum of its proper divisors (1).

198806029 is an equidigital number, since it uses as much as digits as its factorization.

198806029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 198806029 is about 14099.8591836940. The cubic root of 198806029 is about 583.6374933691.

The spelling of 198806029 in words is "one hundred ninety-eight million, eight hundred six thousand, twenty-nine".