198755473 has 16 divisors (see below), whose sum is σ = 235514880. Its totient is φ = 164114496.

The previous prime is 198755461. The next prime is 198755509. The reversal of 198755473 is 374557891.

It is a happy number.

It is not a de Polignac number, because 198755473 - 2⁵ = 198755441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198755273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122415 + ... + 124027.

It is an arithmetic number, because the mean of its divisors is an integer number (14719680).

Almost surely, 2^198755473 is an apocalyptic number.

It is an amenable number.

198755473 is a deficient number, since it is larger than the sum of its proper divisors (36759407).

198755473 is a wasteful number, since it uses less digits than its factorization.

198755473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its digits is 1058400, while the sum is 49.

The square root of 198755473 is about 14098.0662858422. The cubic root of 198755473 is about 583.5880165352.

The spelling of 198755473 in words is "one hundred ninety-eight million, seven hundred fifty-five thousand, four hundred seventy-three".