198104032 has 96 divisors (see below), whose sum is σ = 475372800. Its totient is φ = 79377408.

The previous prime is 198104021. The next prime is 198104047. The reversal of 198104032 is 230401891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378523 + ... + 379045.

It is an arithmetic number, because the mean of its divisors is an integer number (4951800).

Almost surely, 2^198104032 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 198104032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237686400).

198104032 is an abundant number, since it is smaller than the sum of its proper divisors (277268768).

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

198104032 is a wasteful number, since it uses less digits than its factorization.

198104032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 198104032 is about 14074.9434101882. The cubic root of 198104032 is about 582.9497292549.

The spelling of 198104032 in words is "one hundred ninety-eight million, one hundred four thousand, thirty-two".