198792001 has 4 divisors (see below), whose sum is σ = 198824404. Its totient is φ = 198759600.

The previous prime is 198791993. The next prime is 198792023. The reversal of 198792001 is 100297891.

198792001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100297891 = 439 ⋅228469.

It can be written as a sum of positive squares in 2 ways, for example, as 170276401 + 28515600 = 13049^2 + 5340^2 .

It is a cyclic number.

It is not a de Polignac number, because 198792001 - 2³ = 198791993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198792401) 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, 3870 + ... + 20311.

It is an arithmetic number, because the mean of its divisors is an integer number (49706101).

Almost surely, 2^198792001 is an apocalyptic number.

It is an amenable number.

198792001 is a deficient number, since it is larger than the sum of its proper divisors (32403).

198792001 is an equidigital number, since it uses as much as digits as its factorization.

198792001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32402.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 198792001 is about 14099.3617231419. The cubic root of 198792001 is about 583.6237656510.

The spelling of 198792001 in words is "one hundred ninety-eight million, seven hundred ninety-two thousand, one".