198248807 has 2 divisors, whose sum is σ = 198248808. Its totient is φ = 198248806.

The previous prime is 198248797. The next prime is 198248819. The reversal of 198248807 is 708842891.

198248807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198248807 - 2²⁰ = 197200231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198248107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99124403 + 99124404.

It is an arithmetic number, because the mean of its divisors is an integer number (99124404).

Almost surely, 2^198248807 is an apocalyptic number.

198248807 is a deficient number, since it is larger than the sum of its proper divisors (1).

198248807 is an equidigital number, since it uses as much as digits as its factorization.

198248807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 198248807 is about 14080.0854755928. The cubic root of 198248807 is about 583.0917017924.

The spelling of 198248807 in words is "one hundred ninety-eight million, two hundred forty-eight thousand, eight hundred seven".