11404424 has 16 divisors (see below), whose sum is σ = 22121100. Its totient is φ = 5505472.

The previous prime is 11404423. The next prime is 11404447. The reversal of 11404424 is 42440411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11356900 + 47524 = 3370^2 + 218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11404396 and 11404405.

It is not an unprimeable number, because it can be changed into a prime (11404423) 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, 24347 + ... + 24810.

Almost surely, 2^11404424 is an apocalyptic number.

It is an amenable number.

11404424 is a deficient number, since it is larger than the sum of its proper divisors (10716676).

11404424 is a wasteful number, since it uses less digits than its factorization.

11404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49192 (or 49188 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 11404424 is about 3377.0436775381. The cubic root of 11404424 is about 225.0908209485.

Adding to 11404424 its reverse (42440411), we get a palindrome (53844835).

The spelling of 11404424 in words is "eleven million, four hundred four thousand, four hundred twenty-four".