11804436 has 72 divisors (see below), whose sum is σ = 34448960. Its totient is φ = 3338496.

The previous prime is 11804423. The next prime is 11804461. The reversal of 11804436 is 63440811.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 34860 + ... + 35196.

Almost surely, 2^11804436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11804436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17224480).

11804436 is an abundant number, since it is smaller than the sum of its proper divisors (22644524).

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

11804436 is a wasteful number, since it uses less digits than its factorization.

11804436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 11804436 is about 3435.7584315548. The cubic root of 11804436 is about 227.6923366415.

The spelling of 11804436 in words is "eleven million, eight hundred four thousand, four hundred thirty-six".