198271104 has 64 divisors (see below), whose sum is σ = 532187040. Its totient is φ = 65396736.

The previous prime is 198271103. The next prime is 198271111. The reversal of 198271104 is 401172891.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×198271104² = 78622861362757632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198271103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34587 + ... + 39909.

Almost surely, 2^198271104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198271104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266093520).

198271104 is an abundant number, since it is smaller than the sum of its proper divisors (333915936).

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

198271104 is an equidigital number, since it uses as much as digits as its factorization.

198271104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437 (or 5425 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 198271104 is about 14080.8772453992. The cubic root of 198271104 is about 583.1135610383.

The spelling of 198271104 in words is "one hundred ninety-eight million, two hundred seventy-one thousand, one hundred four".