198500742 has 36 divisors (see below), whose sum is σ = 472743180. Its totient is φ = 60151080.

The previous prime is 198500723. The next prime is 198500747. The reversal of 198500742 is 247005891.

198500742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 198500697 and 198500706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198500747) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43392 + ... + 47747.

It is an arithmetic number, because the mean of its divisors is an integer number (13131755).

Almost surely, 2^198500742 is an apocalyptic number.

198500742 is an abundant number, since it is smaller than the sum of its proper divisors (274242438).

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

198500742 is a wasteful number, since it uses less digits than its factorization.

198500742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91169 (or 91155 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 198500742 is about 14089.0291361754. The cubic root of 198500742 is about 583.3385952904.

The spelling of 198500742 in words is "one hundred ninety-eight million, five hundred thousand, seven hundred forty-two".