1198204436 has 72 divisors (see below), whose sum is σ = 2562588672. Its totient is φ = 486446400.

The previous prime is 1198204379. The next prime is 1198204439. The reversal of 1198204436 is 6344028911.

It is a self number, because there is not a number n which added to its sum of digits gives 1198204436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198204439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191981 + ... + 198123.

Almost surely, 2^1198204436 is an apocalyptic number.

It is an amenable number.

1198204436 is an abundant number, since it is smaller than the sum of its proper divisors (1364384236).

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

1198204436 is a wasteful number, since it uses less digits than its factorization.

1198204436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213 (or 6200 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1198204436 is about 34615.0897153250. The cubic root of 1198204436 is about 1062.1282847527.

The spelling of 1198204436 in words is "one billion, one hundred ninety-eight million, two hundred four thousand, four hundred thirty-six".