198316215 has 64 divisors (see below), whose sum is σ = 364953600. Its totient is φ = 102114432.

The previous prime is 198316199. The next prime is 198316219. The reversal of 198316215 is 512613891.

198316215 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 198316215 - 2⁴ = 198316199 is a prime.

It is a super-2 number, since 2×198316215² = 78658642263852450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 198316215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198316219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 737101 + ... + 737369.

It is an arithmetic number, because the mean of its divisors is an integer number (5702400).

Almost surely, 2^198316215 is an apocalyptic number.

198316215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198316215 is a deficient number, since it is larger than the sum of its proper divisors (166637385).

198316215 is a wasteful number, since it uses less digits than its factorization.

198316215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 447 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 198316215 is about 14082.4790076179. The cubic root of 198316215 is about 583.1577813686.

The spelling of 198316215 in words is "one hundred ninety-eight million, three hundred sixteen thousand, two hundred fifteen".