198480943 has 4 divisors (see below), whose sum is σ = 200993440. Its totient is φ = 195968448.

The previous prime is 198480937. The next prime is 198480949. The reversal of 198480943 is 349084891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349084891 = 19 ⋅18372889.

It is an interprime number because it is at equal distance from previous prime (198480937) and next prime (198480949).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198480943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198480893 and 198480902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198480949) 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, 1256130 + ... + 1256287.

It is an arithmetic number, because the mean of its divisors is an integer number (50248360).

Almost surely, 2^198480943 is an apocalyptic number.

198480943 is a deficient number, since it is larger than the sum of its proper divisors (2512497).

198480943 is an equidigital number, since it uses as much as digits as its factorization.

198480943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512496.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 198480943 is about 14088.3264797491. The cubic root of 198480943 is about 583.3192000567.

The spelling of 198480943 in words is "one hundred ninety-eight million, four hundred eighty thousand, nine hundred forty-three".