1186668 has 72 divisors (see below), whose sum is σ = 3642912. Its totient is φ = 317952.

The previous prime is 1186657. The next prime is 1186673. The reversal of 1186668 is 8666811.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4146 + ... + 4422.

It is an arithmetic number, because the mean of its divisors is an integer number (50596).

2^1186668 is an apocalyptic number.

1186668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1186668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1821456).

1186668 is an abundant number, since it is smaller than the sum of its proper divisors (2456244).

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

1186668 is a wasteful number, since it uses less digits than its factorization.

1186668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 306 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1186668 is about 1089.3429212144. The cubic root of 1186668 is about 105.8708525636.

It can be divided in two parts, 118 and 6668, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 1186668 in words is "one million, one hundred eighty-six thousand, six hundred sixty-eight".