198601536 has 56 divisors (see below), whose sum is σ = 600537280. Its totient is φ = 56742912.

The previous prime is 198601519. The next prime is 198601549. The reversal of 198601536 is 635106891.

198601536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 198601494 and 198601503.

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, 72541 + ... + 75228.

It is an arithmetic number, because the mean of its divisors is an integer number (10723880).

Almost surely, 2^198601536 is an apocalyptic number.

198601536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198601536 is an abundant number, since it is smaller than the sum of its proper divisors (401935744).

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

198601536 is a wasteful number, since it uses less digits than its factorization.

198601536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147791 (or 147781 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 198601536 is about 14092.6057207317. The cubic root of 198601536 is about 583.4373137816.

The spelling of 198601536 in words is "one hundred ninety-eight million, six hundred one thousand, five hundred thirty-six".