198205536 has 48 divisors (see below), whose sum is σ = 542916864. Its totient is φ = 63195264.

The previous prime is 198205529. The next prime is 198205543. The reversal of 198205536 is 635502891.

It is an interprime number because it is at equal distance from previous prime (198205529) and next prime (198205543).

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 = 198205494 and 198205503.

It is a congruent number.

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, 42676 + ... + 47091.

It is an arithmetic number, because the mean of its divisors is an integer number (11310768).

Almost surely, 2^198205536 is an apocalyptic number.

198205536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198205536 is an abundant number, since it is smaller than the sum of its proper divisors (344711328).

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

198205536 is a wasteful number, since it uses less digits than its factorization.

198205536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89803 (or 89795 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 198205536 is about 14078.5487888489. The cubic root of 198205536 is about 583.0492756490.

The spelling of 198205536 in words is "one hundred ninety-eight million, two hundred five thousand, five hundred thirty-six".