11404432 has 20 divisors (see below), whose sum is σ = 23796220. Its totient is φ = 5263488.

The previous prime is 11404423. The next prime is 11404447. The reversal of 11404432 is 23440411.

It can be written as a sum of positive squares in 2 ways, for example, as 1893376 + 9511056 = 1376^2 + 3084^2 .

It is a super-2 number, since 2×11404432² = 260122138485248, which contains 22 as substring.

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, 27207 + ... + 27622.

It is an arithmetic number, because the mean of its divisors is an integer number (1189811).

Almost surely, 2^11404432 is an apocalyptic number.

It is an amenable number.

11404432 is an abundant number, since it is smaller than the sum of its proper divisors (12391788).

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

11404432 is a wasteful number, since it uses less digits than its factorization.

11404432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54850 (or 54844 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11404432 is about 3377.0448620058. The cubic root of 11404432 is about 225.0908735809.

Adding to 11404432 its reverse (23440411), we get a palindrome (34844843).

The spelling of 11404432 in words is "eleven million, four hundred four thousand, four hundred thirty-two".