198504973 has 8 divisors (see below), whose sum is σ = 207874368. Its totient is φ = 189197184.

The previous prime is 198504967. The next prime is 198504979. The reversal of 198504973 is 379405891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (198504967) and next prime (198504979).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198504973 - 2²¹ = 196407821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198504979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8740 + ... + 21757.

It is an arithmetic number, because the mean of its divisors is an integer number (25984296).

Almost surely, 2^198504973 is an apocalyptic number.

It is an amenable number.

198504973 is a deficient number, since it is larger than the sum of its proper divisors (9369395).

198504973 is a wasteful number, since it uses less digits than its factorization.

198504973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 198504973 is about 14089.1792876661. The cubic root of 198504973 is about 583.3427398392.

The spelling of 198504973 in words is "one hundred ninety-eight million, five hundred four thousand, nine hundred seventy-three".