198847215 has 96 divisors (see below), whose sum is σ = 423760896. Its totient is φ = 84188160.

The previous prime is 198847189. The next prime is 198847241. The reversal of 198847215 is 512748891.

It is an interprime number because it is at equal distance from previous prime (198847189) and next prime (198847241).

It is not a de Polignac number, because 198847215 - 2⁶ = 198847151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 379944 + ... + 380466.

It is an arithmetic number, because the mean of its divisors is an integer number (4414176).

Almost surely, 2^198847215 is an apocalyptic number.

198847215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198847215 is an abundant number, since it is smaller than the sum of its proper divisors (224913681).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198847215 is a wasteful number, since it uses less digits than its factorization.

198847215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 626 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 198847215 is about 14101.3196190995. The cubic root of 198847215 is about 583.6777940149.

The spelling of 198847215 in words is "one hundred ninety-eight million, eight hundred forty-seven thousand, two hundred fifteen".