198324672 has 112 divisors (see below), whose sum is σ = 645883392. Its totient is φ = 52300800.

The previous prime is 198324671. The next prime is 198324689. The reversal of 198324672 is 276423891.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198324671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11797 + ... + 23147.

It is an arithmetic number, because the mean of its divisors is an integer number (5766816).

Almost surely, 2^198324672 is an apocalyptic number.

198324672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198324672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322941696).

198324672 is an abundant number, since it is smaller than the sum of its proper divisors (447558720).

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

198324672 is a wasteful number, since it uses less digits than its factorization.

198324672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386 (or 11376 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 198324672 is about 14082.7792711524. The cubic root of 198324672 is about 583.1660706475.

The spelling of 198324672 in words is "one hundred ninety-eight million, three hundred twenty-four thousand, six hundred seventy-two".