198565532 has 48 divisors (see below), whose sum is σ = 406328832. Its totient is φ = 83983680.

The previous prime is 198565517. The next prime is 198565547. The reversal of 198565532 is 235565891.

It is an interprime number because it is at equal distance from previous prime (198565517) and next prime (198565547).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34793 + ... + 40095.

It is an arithmetic number, because the mean of its divisors is an integer number (8465184).

Almost surely, 2^198565532 is an apocalyptic number.

It is an amenable number.

198565532 is an abundant number, since it is smaller than the sum of its proper divisors (207763300).

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

198565532 is a wasteful number, since it uses less digits than its factorization.

198565532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378 (or 5376 counting only the distinct ones).

The product of its digits is 324000, while the sum is 44.

The square root of 198565532 is about 14091.3282553491. The cubic root of 198565532 is about 583.4020549967.

The spelling of 198565532 in words is "one hundred ninety-eight million, five hundred sixty-five thousand, five hundred thirty-two".