198295215 has 16 divisors (see below), whose sum is σ = 317520000. Its totient is φ = 105674912.

The previous prime is 198295183. The next prime is 198295241. The reversal of 198295215 is 512592891.

It is a cyclic number.

It is not a de Polignac number, because 198295215 - 2⁵ = 198295183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18076 + ... + 26894.

It is an arithmetic number, because the mean of its divisors is an integer number (19845000).

Almost surely, 2^198295215 is an apocalyptic number.

198295215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198295215 is a deficient number, since it is larger than the sum of its proper divisors (119224785).

198295215 is a wasteful number, since it uses less digits than its factorization.

198295215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10326.

The product of its digits is 64800, while the sum is 42.

The square root of 198295215 is about 14081.7333805182. The cubic root of 198295215 is about 583.1371968261.

The spelling of 198295215 in words is "one hundred ninety-eight million, two hundred ninety-five thousand, two hundred fifteen".