1198443236 has 12 divisors (see below), whose sum is σ = 2100453180. Its totient is φ = 598313760.

The previous prime is 1198443227. The next prime is 1198443317. The reversal of 1198443236 is 6323448911.

It can be written as a sum of positive squares in 2 ways, for example, as 859662400 + 338780836 = 29320^2 + 18406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1198443193 and 1198443202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223991 + ... + 229278.

It is an arithmetic number, because the mean of its divisors is an integer number (175037765).

Almost surely, 2^1198443236 is an apocalyptic number.

It is an amenable number.

1198443236 is a deficient number, since it is larger than the sum of its proper divisors (902009944).

1198443236 is a wasteful number, since it uses less digits than its factorization.

1198443236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453934 (or 453932 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 1198443236 is about 34618.5389061988. The cubic root of 1198443236 is about 1062.1988401546.

The spelling of 1198443236 in words is "one billion, one hundred ninety-eight million, four hundred forty-three thousand, two hundred thirty-six".