198001337 has 4 divisors (see below), whose sum is σ = 208422480. Its totient is φ = 187580196.

The previous prime is 198001333. The next prime is 198001343. The reversal of 198001337 is 733100891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198001337 - 2² = 198001333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198001333) 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, 5210543 + ... + 5210580.

It is an arithmetic number, because the mean of its divisors is an integer number (52105620).

Almost surely, 2^198001337 is an apocalyptic number.

It is an amenable number.

198001337 is a deficient number, since it is larger than the sum of its proper divisors (10421143).

198001337 is a wasteful number, since it uses less digits than its factorization.

198001337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421142.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 198001337 is about 14071.2947876164. The cubic root of 198001337 is about 582.8489802201.

The spelling of 198001337 in words is "one hundred ninety-eight million, one thousand, three hundred thirty-seven".