198255232 has 64 divisors (see below), whose sum is σ = 454348800. Its totient is φ = 84409344.

The previous prime is 198255221. The next prime is 198255247. The reversal of 198255232 is 232552891.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 198255191 and 198255200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154369 + ... + 155647.

It is an arithmetic number, because the mean of its divisors is an integer number (7099200).

Almost surely, 2^198255232 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 198255232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227174400).

198255232 is an abundant number, since it is smaller than the sum of its proper divisors (256093568).

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

198255232 is a wasteful number, since it uses less digits than its factorization.

198255232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1461 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 198255232 is about 14080.3136328705. The cubic root of 198255232 is about 583.0980008193.

The spelling of 198255232 in words is "one hundred ninety-eight million, two hundred fifty-five thousand, two hundred thirty-two".