198111032 has 32 divisors (see below), whose sum is σ = 432540000. Its totient is φ = 83301504.

The previous prime is 198111031. The next prime is 198111059. The reversal of 198111032 is 230111891.

198111032 is digitally balanced in base 3, 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 = 198110992 and 198111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198111031) 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, 30407 + ... + 36342.

It is an arithmetic number, because the mean of its divisors is an integer number (13516875).

Almost surely, 2^198111032 is an apocalyptic number.

It is an amenable number.

198111032 is an abundant number, since it is smaller than the sum of its proper divisors (234428968).

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

198111032 is a wasteful number, since it uses less digits than its factorization.

198111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66815 (or 66811 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 198111032 is about 14075.1920768421. The cubic root of 198111032 is about 582.9565953444.

The spelling of 198111032 in words is "one hundred ninety-eight million, one hundred eleven thousand, thirty-two".