1198986 has 8 divisors (see below), whose sum is σ = 2397984. Its totient is φ = 399660.

The previous prime is 1198979. The next prime is 1198991. The reversal of 1198986 is 6898911.

It is a sphenic number, since it is the product of 3 distinct primes.

1198986 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99910 + ... + 99921.

It is an arithmetic number, because the mean of its divisors is an integer number (299748).

2^1198986 is an apocalyptic number.

1198986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1198986 is a wasteful number, since it uses less digits than its factorization.

1198986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199836.

The product of its digits is 31104, while the sum is 42.

The square root of 1198986 is about 1094.9821916360. The cubic root of 1198986 is about 106.2359169339.

The spelling of 1198986 in words is "one million, one hundred ninety-eight thousand, nine hundred eighty-six".