198560447 has 2 divisors, whose sum is σ = 198560448. Its totient is φ = 198560446.

The previous prime is 198560423. The next prime is 198560471. The reversal of 198560447 is 744065891.

It is a balanced prime because it is at equal distance from previous prime (198560423) and next prime (198560471).

It is an emirp because it is prime and its reverse (744065891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198560447 - 2⁸ = 198560191 is a prime.

It is a super-2 number, since 2×198560447² = 78852502225679618, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 198560398 and 198560407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198560497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99280223 + 99280224.

It is an arithmetic number, because the mean of its divisors is an integer number (99280224).

Almost surely, 2^198560447 is an apocalyptic number.

198560447 is a deficient number, since it is larger than the sum of its proper divisors (1).

198560447 is an equidigital number, since it uses as much as digits as its factorization.

198560447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 198560447 is about 14091.1478240774. The cubic root of 198560447 is about 583.3970749031.

The spelling of 198560447 in words is "one hundred ninety-eight million, five hundred sixty thousand, four hundred forty-seven".