198355001 has 8 divisors (see below), whose sum is σ = 218581440. Its totient is φ = 178838352.

The previous prime is 198354979. The next prime is 198355033. The reversal of 198355001 is 100553891.

198355001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198355001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198355301) 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, 176861 + ... + 177978.

It is an arithmetic number, because the mean of its divisors is an integer number (27322680).

Almost surely, 2^198355001 is an apocalyptic number.

It is an amenable number.

198355001 is a deficient number, since it is larger than the sum of its proper divisors (20226439).

198355001 is a wasteful number, since it uses less digits than its factorization.

198355001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354895.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 198355001 is about 14083.8560415818. The cubic root of 198355001 is about 583.1957962183.

The spelling of 198355001 in words is "one hundred ninety-eight million, three hundred fifty-five thousand, one".