198532 has 6 divisors (see below), whose sum is σ = 347438. Its totient is φ = 99264.

The previous prime is 198529. The next prime is 198533. The reversal of 198532 is 235891.

It can be written as a sum of positive squares in only one way, i.e., 147456 + 51076 = 384^2 + 226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 198532.

It is not an unprimeable number, because it can be changed into a prime (198533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24813 + ... + 24820.

2¹⁹⁸⁵³² is an apocalyptic number.

It is an amenable number.

198532 is a deficient number, since it is larger than the sum of its proper divisors (148906).

198532 is a wasteful number, since it uses less digits than its factorization.

198532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49637 (or 49635 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 198532 is about 445.5692987628. The cubic root of 198532 is about 58.3369213213.

The spelling of 198532 in words is "one hundred ninety-eight thousand, five hundred thirty-two".