198603744 has 48 divisors (see below), whose sum is σ = 524695248. Its totient is φ = 65774592.

The previous prime is 198603733. The next prime is 198603749. The reversal of 198603744 is 447306891.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 198603696 and 198603705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198603749) 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, 8484 + ... + 21660.

It is an arithmetic number, because the mean of its divisors is an integer number (10931151).

Almost surely, 2^198603744 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 198603744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262347624).

198603744 is an abundant number, since it is smaller than the sum of its proper divisors (326091504).

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

198603744 is a wasteful number, since it uses less digits than its factorization.

198603744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347 (or 13339 counting only the distinct ones).

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

The square root of 198603744 is about 14092.6840594686. The cubic root of 198603744 is about 583.4394759415.

The spelling of 198603744 in words is "one hundred ninety-eight million, six hundred three thousand, seven hundred forty-four".