198496801 has 2 divisors, whose sum is σ = 198496802. Its totient is φ = 198496800.

The previous prime is 198496787. The next prime is 198496807. The reversal of 198496801 is 108694891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136890000 + 61606801 = 11700^2 + 7849^2 .

It is a cyclic number.

It is not a de Polignac number, because 198496801 - 2⁵ = 198496769 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (198496807) 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 as a sum of consecutive naturals, namely, 99248400 + 99248401.

It is an arithmetic number, because the mean of its divisors is an integer number (99248401).

Almost surely, 2^198496801 is an apocalyptic number.

It is an amenable number.

198496801 is a deficient number, since it is larger than the sum of its proper divisors (1).

198496801 is an equidigital number, since it uses as much as digits as its factorization.

198496801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 198496801 is about 14088.8892748861. The cubic root of 198496801 is about 583.3347347631.

The spelling of 198496801 in words is "one hundred ninety-eight million, four hundred ninety-six thousand, eight hundred one".