1186986 has 8 divisors (see below), whose sum is σ = 2373984. Its totient is φ = 395660.

The previous prime is 1186981. The next prime is 1187003. The reversal of 1186986 is 6896811.

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

1186986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1186981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98910 + ... + 98921.

It is an arithmetic number, because the mean of its divisors is an integer number (296748).

2^1186986 is an apocalyptic number.

1186986 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.

1186986 is a wasteful number, since it uses less digits than its factorization.

1186986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197836.

The product of its digits is 20736, while the sum is 39.

The square root of 1186986 is about 1089.4888709849. The cubic root of 1186986 is about 105.8803087114.

The spelling of 1186986 in words is "one million, one hundred eighty-six thousand, nine hundred eighty-six".