11489984 has 56 divisors (see below), whose sum is σ = 26212800. Its totient is φ = 4942080.

The previous prime is 11489983. The next prime is 11489993. The reversal of 11489984 is 48998411.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (11489983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12947 + ... + 13805.

Almost surely, 2^11489984 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 11489984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13106400).

11489984 is an abundant number, since it is smaller than the sum of its proper divisors (14722816).

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

11489984 is a wasteful number, since it uses less digits than its factorization.

11489984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 891 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 11489984 is about 3389.6878912372. The cubic root of 11489984 is about 225.6523225890.

The spelling of 11489984 in words is "eleven million, four hundred eighty-nine thousand, nine hundred eighty-four".