198400573 has 8 divisors (see below), whose sum is σ = 227181248. Its totient is φ = 169729344.

The previous prime is 198400537. The next prime is 198400597. The reversal of 198400573 is 375004891.

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 198400573 - 2⁹ = 198400061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198400673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23436 + ... + 30757.

It is an arithmetic number, because the mean of its divisors is an integer number (28397656).

Almost surely, 2^198400573 is an apocalyptic number.

It is an amenable number.

198400573 is a deficient number, since it is larger than the sum of its proper divisors (28780675).

198400573 is an equidigital number, since it uses as much as digits as its factorization.

198400573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54723.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 198400573 is about 14085.4738294457. The cubic root of 198400573 is about 583.2404558161.

The spelling of 198400573 in words is "one hundred ninety-eight million, four hundred thousand, five hundred seventy-three".