1198441868 has 36 divisors (see below), whose sum is σ = 2308321008. Its totient is φ = 544040640.

The previous prime is 1198441793. The next prime is 1198441987. The reversal of 1198441868 is 8681448911.

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, 26705 + ... + 55767.

It is an arithmetic number, because the mean of its divisors is an integer number (64120028).

Almost surely, 2^1198441868 is an apocalyptic number.

It is an amenable number.

1198441868 is a deficient number, since it is larger than the sum of its proper divisors (1109879140).

1198441868 is a wasteful number, since it uses less digits than its factorization.

1198441868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29154 (or 29139 counting only the distinct ones).

The product of its digits is 442368, while the sum is 50.

The square root of 1198441868 is about 34618.5191479936. The cubic root of 1198441868 is about 1062.1984359946.

The spelling of 1198441868 in words is "one billion, one hundred ninety-eight million, four hundred forty-one thousand, eight hundred sixty-eight".