198958473 has 72 divisors (see below), whose sum is σ = 354257280. Its totient is φ = 107110080.

The previous prime is 198958457. The next prime is 198958483. The reversal of 198958473 is 374859891.

It is not a de Polignac number, because 198958473 - 2⁴ = 198958457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (198958423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 600918 + ... + 601248.

It is an arithmetic number, because the mean of its divisors is an integer number (4920240).

Almost surely, 2^198958473 is an apocalyptic number.

It is an amenable number.

198958473 is a deficient number, since it is larger than the sum of its proper divisors (155298807).

198958473 is a wasteful number, since it uses less digits than its factorization.

198958473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 417 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 198958473 is about 14105.2640173802. The cubic root of 198958473 is about 583.7866325459.

The spelling of 198958473 in words is "one hundred ninety-eight million, nine hundred fifty-eight thousand, four hundred seventy-three".