198853536 has 96 divisors (see below), whose sum is σ = 599961600. Its totient is φ = 56491776.

The previous prime is 198853517. The next prime is 198853553. The reversal of 198853536 is 635358891.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132985 + ... + 134471.

It is an arithmetic number, because the mean of its divisors is an integer number (6249600).

Almost surely, 2^198853536 is an apocalyptic number.

198853536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198853536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299980800).

198853536 is an abundant number, since it is smaller than the sum of its proper divisors (401108064).

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

198853536 is a wasteful number, since it uses less digits than its factorization.

198853536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1698 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 198853536 is about 14101.5437452784. The cubic root of 198853536 is about 583.6839786430.

The spelling of 198853536 in words is "one hundred ninety-eight million, eight hundred fifty-three thousand, five hundred thirty-six".