11984428 has 12 divisors (see below), whose sum is σ = 21169512. Its totient is φ = 5936000.

The previous prime is 11984419. The next prime is 11984429. The reversal of 11984428 is 82448911.

It is not an unprimeable number, because it can be changed into a prime (11984429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13573 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (1764126).

Almost surely, 2^11984428 is an apocalyptic number.

It is an amenable number.

11984428 is a deficient number, since it is larger than the sum of its proper divisors (9185084).

11984428 is a wasteful number, since it uses less digits than its factorization.

11984428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28112 (or 28110 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 11984428 is about 3461.8532608994. The cubic root of 11984428 is about 228.8437751425.

The spelling of 11984428 in words is "eleven million, nine hundred eighty-four thousand, four hundred twenty-eight".