1136808 has 64 divisors (see below), whose sum is σ = 3336000. Its totient is φ = 357696.

The previous prime is 1136767. The next prime is 1136809. The reversal of 1136808 is 8086311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1136809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3966 + ... + 4242.

It is an arithmetic number, because the mean of its divisors is an integer number (52125).

2^1136808 is an apocalyptic number.

1136808 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 1136808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668000).

1136808 is an abundant number, since it is smaller than the sum of its proper divisors (2199192).

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

1136808 is a wasteful number, since it uses less digits than its factorization.

1136808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1136808 is about 1066.2119864267. The cubic root of 1136808 is about 104.3668014405.

The spelling of 1136808 in words is "one million, one hundred thirty-six thousand, eight hundred eight".