11481384 has 16 divisors (see below), whose sum is σ = 28703520. Its totient is φ = 3827120.

The previous prime is 11481383. The next prime is 11481389. The reversal of 11481384 is 48318411.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481383) 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 3 ways as a sum of consecutive naturals, for example, 239172 + ... + 239219.

It is an arithmetic number, because the mean of its divisors is an integer number (1793970).

Almost surely, 2^11481384 is an apocalyptic number.

It is an amenable number.

11481384 is an abundant number, since it is smaller than the sum of its proper divisors (17222136).

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

11481384 is a wasteful number, since it uses less digits than its factorization.

11481384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478400 (or 478396 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 11481384 is about 3388.4191004066. The cubic root of 11481384 is about 225.5960099390.

Adding to 11481384 its reverse (48318411), we get a palindrome (59799795).

The spelling of 11481384 in words is "eleven million, four hundred eighty-one thousand, three hundred eighty-four".