198537382 has 4 divisors (see below), whose sum is σ = 297806076. Its totient is φ = 99268690.

The previous prime is 198537377. The next prime is 198537389. The reversal of 198537382 is 283735891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 283735891 = 499 ⋅568609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198537389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49634344 + ... + 49634347.

It is an arithmetic number, because the mean of its divisors is an integer number (74451519).

Almost surely, 2^198537382 is an apocalyptic number.

198537382 is a deficient number, since it is larger than the sum of its proper divisors (99268694).

198537382 is an equidigital number, since it uses as much as digits as its factorization.

198537382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99268693.

The product of its digits is 362880, while the sum is 46.

The square root of 198537382 is about 14090.3293786909. The cubic root of 198537382 is about 583.3744846797.

The spelling of 198537382 in words is "one hundred ninety-eight million, five hundred thirty-seven thousand, three hundred eighty-two".