198300865 has 16 divisors (see below), whose sum is σ = 272194560. Its totient is φ = 135858240.

The previous prime is 198300863. The next prime is 198300881. The reversal of 198300865 is 568003891.

It is a happy number.

198300865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198300865 - 2¹ = 198300863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198300863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59955 + ... + 63175.

It is an arithmetic number, because the mean of its divisors is an integer number (17012160).

Almost surely, 2^198300865 is an apocalyptic number.

It is an amenable number.

198300865 is a deficient number, since it is larger than the sum of its proper divisors (73893695).

198300865 is a wasteful number, since it uses less digits than its factorization.

198300865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 198300865 is about 14081.9339935962. The cubic root of 198300865 is about 583.1427351911.

The spelling of 198300865 in words is "one hundred ninety-eight million, three hundred thousand, eight hundred sixty-five".