198443532 has 36 divisors (see below), whose sum is σ = 538634040. Its totient is φ = 56697984.

The previous prime is 198443521. The next prime is 198443573. The reversal of 198443532 is 235344891.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168157 + ... + 169332.

Almost surely, 2^198443532 is an apocalyptic number.

198443532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198443532 is an abundant number, since it is smaller than the sum of its proper divisors (340190508).

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

198443532 is a wasteful number, since it uses less digits than its factorization.

198443532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337510 (or 337501 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 198443532 is about 14086.9986867324. The cubic root of 198443532 is about 583.2825484677.

The spelling of 198443532 in words is "one hundred ninety-eight million, four hundred forty-three thousand, five hundred thirty-two".