11803984 has 20 divisors (see below), whose sum is σ = 24216084. Its totient is φ = 5554688.

The previous prime is 11803969. The next prime is 11804021. The reversal of 11803984 is 48930811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10061584 + 1742400 = 3172^2 + 1320^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21427 + ... + 21970.

Almost surely, 2^11803984 is an apocalyptic number.

It is an amenable number.

11803984 is an abundant number, since it is smaller than the sum of its proper divisors (12412100).

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

11803984 is a wasteful number, since it uses less digits than its factorization.

11803984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43422 (or 43416 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11803984 is about 3435.6926521445. The cubic root of 11803984 is about 227.6894304388.

The spelling of 11803984 in words is "eleven million, eight hundred three thousand, nine hundred eighty-four".