198327270 has 64 divisors (see below), whose sum is σ = 506450880. Its totient is φ = 49532928.

The previous prime is 198327257. The next prime is 198327281. The reversal of 198327270 is 72723891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117996 + ... + 119664.

It is an arithmetic number, because the mean of its divisors is an integer number (7913295).

Almost surely, 2^198327270 is an apocalyptic number.

198327270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 198327270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253225440).

198327270 is an abundant number, since it is smaller than the sum of its proper divisors (308123610).

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

198327270 is a wasteful number, since it uses less digits than its factorization.

198327270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 198327270 is about 14082.8715111656. The cubic root of 198327270 is about 583.1686170761.

The spelling of 198327270 in words is "one hundred ninety-eight million, three hundred twenty-seven thousand, two hundred seventy".