1186808 has 16 divisors (see below), whose sum is σ = 2543280. Its totient is φ = 508608.

The previous prime is 1186807. The next prime is 1186811. The reversal of 1186808 is 8086811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1186807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10541 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (158955).

2^1186808 is an apocalyptic number.

It is an amenable number.

1186808 is an abundant number, since it is smaller than the sum of its proper divisors (1356472).

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

1186808 is a wasteful number, since it uses less digits than its factorization.

1186808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21206 (or 21202 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 1186808 is about 1089.4071782396. The cubic root of 1186808 is about 105.8750158557.

The spelling of 1186808 in words is "one million, one hundred eighty-six thousand, eight hundred eight".