11089836 has 18 divisors (see below), whose sum is σ = 28032732. Its totient is φ = 3696600.

The previous prime is 11089823. The next prime is 11089843. The reversal of 11089836 is 63898011.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 308051 = 11089836 / (1 + 1 + 0 + 8 + 9 + 8 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 11089836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153990 + ... + 154061.

It is an arithmetic number, because the mean of its divisors is an integer number (1557374).

Almost surely, 2^11089836 is an apocalyptic number.

It is an amenable number.

11089836 is an abundant number, since it is smaller than the sum of its proper divisors (16942896).

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

11089836 is a wasteful number, since it uses less digits than its factorization.

11089836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308061 (or 308056 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11089836 is about 3330.1405375750. The cubic root of 11089836 is about 223.0018030916.

The spelling of 11089836 in words is "eleven million, eighty-nine thousand, eight hundred thirty-six".