198444347 has 4 divisors (see below), whose sum is σ = 198478536. Its totient is φ = 198410160.

The previous prime is 198444331. The next prime is 198444371. The reversal of 198444347 is 743444891.

198444347 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.

It is a cyclic number.

It is not a de Polignac number, because 198444347 - 2⁴ = 198444331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198444298 and 198444307.

It is not an unprimeable number, because it can be changed into a prime (198444377) 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, 5978 + ... + 20799.

It is an arithmetic number, because the mean of its divisors is an integer number (49619634).

Almost surely, 2^198444347 is an apocalyptic number.

198444347 is a deficient number, since it is larger than the sum of its proper divisors (34189).

198444347 is an equidigital number, since it uses as much as digits as its factorization.

198444347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34188.

The product of its digits is 387072, while the sum is 44.

The square root of 198444347 is about 14087.0276140852. The cubic root of 198444347 is about 583.2833469730.

The spelling of 198444347 in words is "one hundred ninety-eight million, four hundred forty-four thousand, three hundred forty-seven".