198100432 has 20 divisors (see below), whose sum is σ = 391063140. Its totient is φ = 97180928.

The previous prime is 198100393. The next prime is 198100451. The reversal of 198100432 is 234001891.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53523856 + 144576576 = 7316^2 + 12024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 198100432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115957 + ... + 117652.

It is an arithmetic number, because the mean of its divisors is an integer number (19553157).

Almost surely, 2^198100432 is an apocalyptic number.

It is an amenable number.

198100432 is a deficient number, since it is larger than the sum of its proper divisors (192962708).

198100432 is a wasteful number, since it uses less digits than its factorization.

198100432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233670 (or 233664 counting only the distinct ones).

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

The square root of 198100432 is about 14074.8155227697. The cubic root of 198100432 is about 582.9461980602.

The spelling of 198100432 in words is "one hundred ninety-eight million, one hundred thousand, four hundred thirty-two".